So, to sum up: - Terminal: Program that emulates the functionality of an old terminal. Nowadays it includes much more functionalities than old days. - Bash: Interpreted language than is being used to interface with the computer and OS. - Command line: The line in wich you are writting the code inside the terminal - Prompt: Small portion of information, at the beginning of every command line that shows something related to the computer user or basic information about the computer within few words Let me know if i am wrong. Dont forget, we all are learners, dont take it seriusly.
I've lived all of 67 years now and it wasn't until I began watching you, Luke, that I learned I'm a boomer and that I have all these amazing powers at my disposal. Who says you can't teach an old dog new tricks? Bah! Humbug! From one boomer to another, I love your vids :)
there is nothing called as boomer...there are just smart people who continue to learn and improve throughout their lives being a valuable member of society and inspire others...you seems to be of that kind
being old man is touching my heart i wish i could help u to believe in one God . i know u look at me like im brainwashed ، but please, by using your scientific methods just take alook at the quran please it will take less than a week from you you lived 67 years for this life , just 1 week for the other life ❤
2:07 Sure, you could consider bash a language. But the terminal emulator isn't running bash-the-language, it's running bash-the-shell which runs bash-the-language. (A shell is a type of interpreter.) Also, the shell you use is normally decided by a per-user configuration setting, not by the terminal emulator.
I have never seen this type of video before, but it is suddenly obvious that there should be more people pointing out these differences. Very good! Thank you.
"Laugh at it" 100 times! No need to laugh at people you can politely correct them and explain to them so they understand. Noobs are in a learning process and the last thing they want is to be launched at. Keep doing the good work through your videos and be more sensitive towards noobs because this is a field where even the most experienced engineers have new technologies to learn almost every year. By the way I gave the video 👍🏽
[9:40] Sure, the prompt colors are set in the shell configuration, but they're not interpreted by the shell. It's the terminal emulator that interprets and displays them (ANSI escape codes).
They usually are in the form of prompt formatting strings like "%cb". Then the shell will emit the escape codes that your terminal supports (as written in the termcap files).
Good video! I'd also add in about a little difference between CLI (ls, dd, youtube-dl, pacman) and TUI (vim, newsboat, ranger, irssi) programs while on this topic, because people tend to confuse these pretty often.
@@yash1152 no problem! I'll elaborate on the distinction a bit. As a rule of thumb, CLI software is easily scriptable, while TUI is more interactive and keyboard driven. If it's output can be effectively parsed using grep, it's CLI. If it has GUI-like rich interface, but on the console (usually by means of (n)curses library), it's TUI
@@netrezv thanks a lot for input. > _"ususally by means of (n)curses library"_ yeah, i have read that curses/ncurses thing on web: "vim in ncurses based editor" but on trying to look it up surfacially, it went over my brain. > _"CLI = scriptable; TUI = Interactive + keyb driven"_ so, TUI can still have some daily use applications like ViM editor, ViEB browser, etc. But the scope of CLI is very different than normal applications right? i mean, yeah, it's fast for batch, piping, and specific actions etc, but still, those are not the things of normal daily use. am i right?
3:08 CTRL+K, CTRL+U, CTRL+Y is basically -copying- cutting and pasting in bash. Copying/pasting to/from clipboard in a script could fall under "copying and pasting in bash" too.
I have two questions: 1. How do I copy and paste in bash? 2. How do I scroll up and down in bash? Joking aside, I'm a complete newbie and those are the questions I would have definitely asked before having watched this video. I can now confidently say that the amount of silly questions I'll be asking in the future has decreased by two. 😀Thank you.
This is SOOOOOOOO desperately needed! You made so many nice tutorials before but if this one is not cleared out of the way those tutorials could not be appreciated by newbies. Thank you so much my Tech God Luke!
3:04 Rather than “stupid question” I’d call it an ambiguous question. As such, it is one that is NOT likely to be answered the way the asker intended. Asking how to copy/paste in bash could mean to read/write the OS clipboard, it could mean yank/put in `set -o vi` mode, it could mean to pipe into and out of `tee`, it could mean to `exec > >(tee $name.log | log -t $name)`, etc. Great info though.
Hey, Luke! There is a way to run Python-like environment as a shell. It is called xonsh and it is a superset of Python aimed to make it more shell-like (completion, piping, history, easy access to environment variables). As far as I know it is in development but that's pretty cool project (but to be frank it has many issues, e.g. slow startup time).
Quick Summary: Terminal, Bash, Comand Line, Prompt... different aspects of what you may be using at the same time. [1]: a TERMinal started out as the *Hardware* keyboard+display on your desk (with NO processing logic inside) that sent all keystrokes to a remote computer (where the thinking+CPU+programs run) and the computer would send text information back to be displayed for you. Like THIS VT100 terminal: en.wikipedia.org/wiki/VT100 For the last 30 years, this is usually a terminal *emulator* program that behaves the same way that an old terminal Used to... but no separate hardware. [2] BASH is a "shell" program that runs as soon as you login to unix/Linux, and tries to understand commands that you type, then figure out what you want the computer to do next. (often by finding another program you want to run) There are sever "shell" options: sh=Bourne-Shell, ksh=Korn-sheell, csh=C-shell, bash=bourne-again-shell, and more. [3] a COMMMAND Line represents the command/directions/request/instructions that YOU type into the computer's shell. [4] a PROMPT means that the computer is waiting for you to type something in to the computer from the keyboard. Prompt also refers to any short text message that the computer prints out (just before the cursor) to let you know what's going on, and what to type next. So... al lof these may be "active" at the same time when you are logged into a Linux computer. The terminal could be the "window frame" and background, that defines the frame, appearance, fonts, and general "canvas" for text information to be displayed on. Within that terminal environment, the computer may be running a bash "shell" that is displaying a prompt, and waiting for you to type a command line. After you type the command line and press enter, the shell reads that command line and tries to do what you want, or finds another program that will do that for you. If you want to change how things LOOK, for background/fonts, or scroll around, that is generally related to the Termianal's scope of responsibility. If you want to change how things BEHAVE, or your environment variables, or change your prompt, work with the Shell. If you want to automate things with a simple "shell script" program, then you will need to create a file full of shell commands using an editor like vi/vim and then tell the shell to run the commands in that file. Almost anything else requires running additional programs. (which the shell will help you find+run through $PATH directories) SO: That's a 30 second summary of this 11 minute video.
You can kill a process in any language - here is an example for C: stackoverflow.com/questions/6501522/how-to-kill-a-child-process-by-the-parent-process
This code for color profile is similar to Luke's PS1="\[\033[01;31m\][\[\033[01;33m\]\u\[\033[01;32m\]@\[\033[01;34m\]\h:\[\033[01;35m\]\w\\[\033[01;31m\]]\[\033[01;37m\]$ " It will work in most terminals that have default settings and without any addons. Luke, thank you - great work and inspiring.
Hey there, love you're stuff. Just a small observation: Running /bin/sh happens alot when you are working in container land so POSIX compliancy has risen at least in my scripts ;) Edit: typo
Thanks man, not the target audience, but this helped me a lot. I just opened up a terminal for the first time in my life to copy/paste and patch a game on Linux. Really just wanted to know some basic terminology to research further and understand what exactly I was doing.
Terminal has roots in a mainframe world. It used to be a screen with a keyboard and connection to a mainframe. You had an editor that basically allowed you to write and run programs. Before terminals, you had punch card reader. Each card was a line of code.😅 Bash was used on terminals.
Personally, I don't see why a normal user's prompt on a local machine should have the user@hostname section. Obviously it should always be clear if you are root or on an ssh connection, but it seems like a huge waste of space. I have my Zsh prompt set to: [0]:~ % %F{green}[%F{yellow}%?%F{green}]%f:%F{blue}%B%2~%b%f %# %# will be % or # depending on if you are root, but I have kept Bash as the shell for my root user just to make it really obvious.
Re custom prompt.. Use `tput` instead of direct codes, it will make your life so much easier. The following is my prompt (a single red block since i'm using tmux for other details like pwd, git branch, ..) ``` red=1 BG_RED="$(tput setab ${red})" RESET="$(tput sgr0)" # prompt export PS1="\[${BG_RED}\] \[${RESET}\] " ``` `setab` sets background using ansi escape sequence `setaf` sets foreground using ansi escape sequence
Running Python as your primary shell isn't really such a crazy thing, actually. Well, the normal built in python shell is not really suitable as a command shell, but there are alternate shells like xonsh which are designed to replace bash in interactive use by mixing together python and bash syntax, so you can do things like piping and redirection, but also use python syntax for things like writing lists, dicts, loops, conditional statements, functions, classes, etc which is much simpler than bash's syntaxes. Another possibility is to use IPython with full rehashx magic, which will load everything in your $PATH into IPython magic commands, so you can run any system commands just like in bash. IPython used to even ship with `sh` profile which is designed for use in this manner.
Bash is a program that handles user input, is not a language (you can't run a language on a computer). The instructions you are allowed to give bash for processing define a programming language.
What about cmd and powershell? A lot of people would know them way more than bash cuz they use Windows. Are they languages too? Shells? Terminal emulators? Sad that this explanation didn't include those
Well, it's not right to say that bash is just a language. From the bash manual: "Bash is the shell, or command language interpreter, for the gnu operating system. A Unix shell is both a command interpreter and a programming language".
Wants to make everything clear. Starts directly by saying "this window is a terminal emulator and it is also running a shell, like bash". Seriously dude? Is that how you start explaining what bash and a terminal is?
@@med5032 Differentiating from something like Android, or referring to the use of GCC in compiling their software. I probably wouldn't call Alpine "GNU/Linux", but I don't think I'd fault someone for doing it either. Probably better than never saying "GNU/Linux" at all. I think some people latch on to the idea of Alpine because they want to be able to just say "Linux" without being corrected. I've heard it's a good distro, but I don't think most people who talk about it are actually using it. I wouldn't be surprised if some people got into BSD for a similar reason.
In school i had hudge arguent about this exact issue with teacher, he didn't know the difference and i always pin point what he said wrong. It really pissed him off. I think i might send him this video and see what happen next :D
The terminal on tinycore has this behaviour, which I think comes from flwm, the window manager: highlight something with a right click to copy, then middle click to paste. That's really annoying. The mac terminal has probably the most intuitive copy-paste behavior because macs use the command key for keyboard shortcuts, so the terminal can just use the regular shortcuts.
Tinycore linux uses /bin/sh as the default shell. It uses busybox, I believe, which gives a POSIX-compliant, but not bash-compatible shell, which has caused me headaches when running scripts that assume that /bin/sh is bash.
Very informative video, learnt something good about shell promps today :) nice Are there any interactive shells available for javascript as well? Which one are you using? Whats so nice about it? Thanks in advance
Which has a copy and paste feature. In fact zsh comes with a built-in line editor (ZLE). So asking how to copy and paste is a legit question for zsh. Alt-w and Ctrl-y for anyone wondering. Asking how to do it in bash is still wrong though. Bash uses separate line editor, GNU readline. As far as I know zsh is the only shell that does not use GNU readline. By the way, the clipboard for those line editors is not in sync with the system clipboard (which is what most people are looking for), but with some configuration you could sync it. Also don't tell beginners too quickly how to paste in the terminal. Before you know it, they paste everything they can find on the internet in it.
@@humm535 Yeah, you are right. Stupid of me to claim there exists no alternatives to some piece software. What I meant to say was, most shells don't incorporate their line editor in the shell language as much as zsh does. In other shells these are separable components.
Helpful content about differences between terminal, shell, etc. One enhancement is to show empathy for people who may be at different stages in learning instead of "laughing at them." Empathy applies to most areas in life.
I think Shell is an Interpreter, that can interact directly with the OS. Whereas Sh, Bash, Zsh, Powershell are differerent kinds of Shells (or Interpreters) Correct me if I am wrong
URGENT! Read this:
lukesmith.xyz/deletion
Ok, time for finally adopting RSS.
Oh, YT at its finest bigotry... I'm with you, Luke! ) Will follow wherever you go
Looking at this video ...seems like you deserve it
TH-cam is just for TV channels and cat videos anyway. Move on to LYBRY, Trovo or Bitchute bro :
PS. I love the reasons you got strikes for ! FUCK PAJEETS :
I love your stuff Luke, but to be honest I use only like 5-10% of the tips you give. I'm here mostly for the powerful boomer energy
I only feel it when I am sipping my white monster... siiiiiiipppppp!
> I'm here mostly for the powerful boomer energy
This. Totally this.
Honestly I’m here for boomer energy and minimalist programs I’ve never heard of
I'm only using the 10% of my brain also.
What is the powerful boomer energy?
"All of those different things are different." - L. Smith 2019
beat me lmao
hit me like a little bitch, daddy
Things that are different are not the same
People on stack overflow be like: 3:13-3:16
teachers who say you can ask anything (no matter how simple it may seem) when you ask a question
My like completes 69 likes
Also like 6:22
Reddit too
So, to sum up:
- Terminal: Program that emulates the functionality of an old terminal. Nowadays it includes much more functionalities than old days.
- Bash: Interpreted language than is being used to interface with the computer and OS.
- Command line: The line in wich you are writting the code inside the terminal
- Prompt: Small portion of information, at the beginning of every command line that shows something related to the computer user or basic information about the computer within few words
Let me know if i am wrong. Dont forget, we all are learners, dont take it seriusly.
Thank you!
@@ahmedsami7378 💀
I've lived all of 67 years now and it wasn't until I began watching you, Luke, that I learned I'm a boomer and that I have all these amazing powers at my disposal. Who says you can't teach an old dog new tricks? Bah! Humbug! From one boomer to another, I love your vids :)
ok boomer
@@Surister0 😸😸
there is nothing called as boomer...there are just smart people who continue to learn and improve throughout their lives being a valuable member of society and inspire others...you seems to be of that kind
Great!!
being old man is touching my heart
i wish i could help u to believe in one God .
i know u look at me like im brainwashed ، but please, by using your scientific methods just take alook at the quran
please it will take less than a week from you
you lived 67 years for this life , just 1 week for the other life ❤
2:07 Sure, you could consider bash a language. But the terminal emulator isn't running bash-the-language, it's running bash-the-shell which runs bash-the-language. (A shell is a type of interpreter.) Also, the shell you use is normally decided by a per-user configuration setting, not by the terminal emulator.
Thank you for this clarification.
This is useful, Thank you!
Every video Luke uploads is another month Luke will go MIA.
He hides cringing profusely about what he just posted.
@Everything Because he's working on his cabin
Prophetic
Me: Damn Luke, the holiday season really did improve your YT productivity !
Luke: Don't worry kiddo, I'll go AWOL for the next 2 months.
I have never seen this type of video before, but it is suddenly obvious that there should be more people pointing out these differences. Very good! Thank you.
1 day later
Distrotube: Why use Bash or Zsh when you can AWK everything
you know you can run powershell on linux too
@@robbirobson7330 You serious? That's worth me looking into for work reasons then...
Very informative... I just have one question. How do you change the background color of Python 3.7? 😂
print("█"*100000)
"Laugh at it" 100 times! No need to laugh at people you can politely correct them and explain to them so they understand. Noobs are in a learning process and the last thing they want is to be launched at. Keep doing the good work through your videos and be more sensitive towards noobs because this is a field where even the most experienced engineers have new technologies to learn almost every year. By the way I gave the video 👍🏽
9:01
Angry command line
[9:40] Sure, the prompt colors are set in the shell configuration, but they're not interpreted by the shell. It's the terminal emulator that interprets and displays them (ANSI escape codes).
They usually are in the form of prompt formatting strings like "%cb". Then the shell will emit the escape codes that your terminal supports (as written in the termcap files).
@@Mankepanke I *hope* the shell uses Terminfo and not Termcap. 🤔
@@humm535 isn't terminfo the API that read the the termcap files?
Good video!
I'd also add in about a little difference between CLI (ls, dd, youtube-dl, pacman) and TUI (vim, newsboat, ranger, irssi) programs while on this topic, because people tend to confuse these pretty often.
thanks for it, yep, i had idea tthat those are different things, but didnt know the exact names. thanks for sharing
@@yash1152 no problem!
I'll elaborate on the distinction a bit. As a rule of thumb, CLI software is easily scriptable, while TUI is more interactive and keyboard driven.
If it's output can be effectively parsed using grep, it's CLI. If it has GUI-like rich interface, but on the console (usually by means of (n)curses library), it's TUI
@@netrezv thanks a lot for input.
> _"ususally by means of (n)curses library"_
yeah, i have read that curses/ncurses thing on web: "vim in ncurses based editor" but on trying to look it up surfacially, it went over my brain.
> _"CLI = scriptable; TUI = Interactive + keyb driven"_
so, TUI can still have some daily use applications like ViM editor, ViEB browser, etc. But the scope of CLI is very different than normal applications right? i mean, yeah, it's fast for batch, piping, and specific actions etc, but still, those are not the things of normal daily use. am i right?
What is TUI short for? Text User Interface?
3:08 CTRL+K, CTRL+U, CTRL+Y is basically -copying- cutting and pasting in bash.
Copying/pasting to/from clipboard in a script could fall under "copying and pasting in bash" too.
I have two questions:
1. How do I copy and paste in bash?
2. How do I scroll up and down in bash?
Joking aside, I'm a complete newbie and those are the questions I would have definitely asked before having watched this video. I can now confidently say that the amount of silly questions I'll be asking in the future has decreased by two. 😀Thank you.
Still have more silly questions?
How do I store a fax on my hard drive?
This is SOOOOOOOO desperately needed! You made so many nice tutorials before but if this one is not cleared out of the way those tutorials could not be appreciated by newbies. Thank you so much my Tech God Luke!
"bash is merely a language" "bash has this binding control C"
5 years of being a Python coder, and never knew how much I needed this video
3:04 Rather than “stupid question” I’d call it an ambiguous question. As such, it is one that is NOT likely to be answered the way the asker intended. Asking how to copy/paste in bash could mean to read/write the OS clipboard, it could mean yank/put in `set -o vi` mode, it could mean to pipe into and out of `tee`, it could mean to `exec > >(tee $name.log | log -t $name)`, etc. Great info though.
Yea what about the cp command as well
You are very talented in explaining complex stuff. Thank you so much and keep posting videos plz.
"What is bash?"
Isn't it obvious? Bash is bloat.
Hey, Luke! There is a way to run Python-like environment as a shell. It is called xonsh and it is a superset of Python aimed to make it more shell-like (completion, piping, history, easy access to environment variables). As far as I know it is in development but that's pretty cool project (but to be frank it has many issues, e.g. slow startup time).
"Don't say funny things…" - Luke Smith, 2019
Quick Summary: Terminal, Bash, Comand Line, Prompt... different aspects of what you may be using at the same time.
[1]: a TERMinal started out as the *Hardware* keyboard+display on your desk (with NO processing logic inside) that sent all keystrokes to a remote computer (where the thinking+CPU+programs run) and the computer would send text information back to be displayed for you. Like THIS VT100 terminal: en.wikipedia.org/wiki/VT100 For the last 30 years, this is usually a terminal *emulator* program that behaves the same way that an old terminal Used to... but no separate hardware.
[2] BASH is a "shell" program that runs as soon as you login to unix/Linux, and tries to understand commands that you type, then figure out what you want the computer to do next. (often by finding another program you want to run) There are sever "shell" options: sh=Bourne-Shell, ksh=Korn-sheell, csh=C-shell, bash=bourne-again-shell, and more.
[3] a COMMMAND Line represents the command/directions/request/instructions that YOU type into the computer's shell.
[4] a PROMPT means that the computer is waiting for you to type something in to the computer from the keyboard. Prompt also refers to any short text message that the computer prints out (just before the cursor) to let you know what's going on, and what to type next.
So... al lof these may be "active" at the same time when you are logged into a Linux computer.
The terminal could be the "window frame" and background, that defines the frame, appearance, fonts, and general "canvas" for text information to be displayed on. Within that terminal environment, the computer may be running a bash "shell" that is displaying a prompt, and waiting for you to type a command line. After you type the command line and press enter, the shell reads that command line and tries to do what you want, or finds another program that will do that for you.
If you want to change how things LOOK, for background/fonts, or scroll around, that is generally related to the Termianal's scope of responsibility.
If you want to change how things BEHAVE, or your environment variables, or change your prompt, work with the Shell.
If you want to automate things with a simple "shell script" program, then you will need to create a file full of shell commands using an editor like vi/vim and then tell the shell to run the commands in that file.
Almost anything else requires running additional programs. (which the shell will help you find+run through $PATH directories)
SO: That's a 30 second summary of this 11 minute video.
love your explanations on stuff... always clear, concise, and complete...
Well, technically you are not running "language" in terminal emulator. You are running interpreter
Helpful a bit like parameter, argument and keyword arguments
4:25 Ctrl-Shift-C / Ctrl-Shift-V is also common AFAIK.
5:12 Hold on: if bash is a language, how can it have a setting to stop a running program? Were you referring to the bash interpreter perhaps?
You can kill a process in any language - here is an example for C:
stackoverflow.com/questions/6501522/how-to-kill-a-child-process-by-the-parent-process
thanks, i am a 15 year running (open)SUSE amateur...this video clears up a bit of the "pro mind set"...Thanks for the effort (Y)
This is a well done introduction video thanks a lot!
"You secretly have something to learn you don't know about" got me :_D
In short all of these different things are different.
Me thinking the last video was good.
Luke: there is another
EDIT: just realized that this comment was cringy as hell.
This code for color profile is similar to Luke's
PS1="\[\033[01;31m\][\[\033[01;33m\]\u\[\033[01;32m\]@\[\033[01;34m\]\h:\[\033[01;35m\]\w\\[\033[01;31m\]]\[\033[01;37m\]$ "
It will work in most terminals that have default settings and without any addons.
Luke, thank you - great work and inspiring.
Спасибо Ильич!
This is the video I was looking for, but I didn't know it until I watched it. Thanks!
Like :)
Thank you, fun video to watch.
I have a love/hate relationship with BASH...
It is extremly powerfull but sometimes it drives me nuts..
Love it, when Luke's face appears in the beginning, i know it's gonna be goood. :)
I did need this video. You answered questions I've been wondering about.
Hey there, love you're stuff. Just a small observation: Running /bin/sh happens alot when you are working in container land so POSIX compliancy has risen at least in my scripts ;)
Edit: typo
You do not have to laugh at people not knowing things, but at least you gave them a chance to know it. Appreciate it
Thanks man, not the target audience, but this helped me a lot. I just opened up a terminal for the first time in my life to copy/paste and patch a game on Linux. Really just wanted to know some basic terminology to research further and understand what exactly I was doing.
Well, isn't "man xclip" an answer to "How do you copy in bash"?
Terminal has roots in a mainframe world. It used to be a screen with a keyboard and connection to a mainframe. You had an editor that basically allowed you to write and run programs. Before terminals, you had punch card reader. Each card was a line of code.😅 Bash was used on terminals.
Actually...THANK you! I always wanted to change the prompt color schemes 🙏
Another awesome and informative video! Thanks Luke!
This video was very helpful! Thank you!
Thank god for this video. I’m taking an operating systems class and was confuse during lecture. 😂
I was really confused with the word like bash, shell, terminal emulator and other.... Thanks to you I get the point
Hi, very indulging video and thanks for identifying these major differences.
I thought this was going to be a boomer rant but it was actually just a genuinely informative and wholesome video lmao
It's also good to know about interactive vs non-interactive shells and login vs non-login shells
OH YES NEW VIDEO !!! Thx luke i learn a lot with you !
The only useful boomer I've seen in my life
He’s obviously not a boomer
@proteusx * his fscking face
Talks about not looking dumb. Wears sunglasses on top of while indoors.
- "There are no Linux elitists"
- "... People will think you are dumb."
finally understanding some basic things,thanks to you, it was great help
Wtf did he just use a mouse at the start ??!!
Ladies and Gentlemen, Luke Smith is back in the game
Personally, I don't see why a normal user's prompt on a local machine should have the user@hostname section. Obviously it should always be clear if you are root or on an ssh connection, but it seems like a huge waste of space.
I have my Zsh prompt set to:
[0]:~ %
%F{green}[%F{yellow}%?%F{green}]%f:%F{blue}%B%2~%b%f %#
%# will be % or # depending on if you are root, but I have kept Bash as the shell for my root user just to make it really obvious.
Bash, zsh, the shell I would say , should be defined as "your environment" and the command line being "your non graphical interface"
Re custom prompt.. Use `tput` instead of direct codes, it will make your life so much easier.
The following is my prompt (a single red block since i'm using tmux for other details like pwd, git branch, ..)
```
red=1
BG_RED="$(tput setab ${red})"
RESET="$(tput sgr0)"
# prompt
export PS1="\[${BG_RED}\] \[${RESET}\] "
```
`setab` sets background using ansi escape sequence
`setaf` sets foreground using ansi escape sequence
Wow great explanation Luke!
Great content. Keep up the good work Luke!
Running Python as your primary shell isn't really such a crazy thing, actually.
Well, the normal built in python shell is not really suitable as a command shell, but there are alternate shells like xonsh which are designed to replace bash in interactive use by mixing together python and bash syntax, so you can do things like piping and redirection, but also use python syntax for things like writing lists, dicts, loops, conditional statements, functions, classes, etc which is much simpler than bash's syntaxes.
Another possibility is to use IPython with full rehashx magic, which will load everything in your $PATH into IPython magic commands, so you can run any system commands just like in bash. IPython used to even ship with `sh` profile which is designed for use in this manner.
Bash is a program that handles user input, is not a language (you can't run a language on a computer). The instructions you are allowed to give bash for processing define a programming language.
Thanks Luke. My confusion is being directed better now.
Hey Luke, how do I change font size in bash????
Luke Smith for President!
What about cmd and powershell? A lot of people would know them way more than bash cuz they use Windows. Are they languages too? Shells? Terminal emulators? Sad that this explanation didn't include those
Well, it's not right to say that bash is just a language. From the bash manual:
"Bash is the shell, or command language interpreter, for the gnu operating system.
A Unix shell is both a command interpreter and a programming language".
Wants to make everything clear. Starts directly by saying "this window is a terminal emulator and it is also running a shell, like bash". Seriously dude? Is that how you start explaining what bash and a terminal is?
"I've just brought up a window."
here's another and another and now we have windows
In the old Unix days a terminal was a end point to have access to the mainframe.
Honestly, this video wasn't as helpful as I hoped. I wish you would've explained the relationship between the terminal emulator and bash more.
Next video: Linux vs GNU/Linux
There are distros that have 0 GNU code like Alpine Linux. What could possibly be an argument for calling a Linux system, GNU/Linux?
Or as i've recently taken to calling it, GNU plus Linux
I'd just like to interject for a moment
@@med5032 Differentiating from something like Android, or referring to the use of GCC in compiling their software. I probably wouldn't call Alpine "GNU/Linux", but I don't think I'd fault someone for doing it either. Probably better than never saying "GNU/Linux" at all. I think some people latch on to the idea of Alpine because they want to be able to just say "Linux" without being corrected. I've heard it's a good distro, but I don't think most people who talk about it are actually using it. I wouldn't be surprised if some people got into BSD for a similar reason.
@@SoundToxin If you use docker you use alpine almost always.
Everything in the world makes sense now.
Thanks for informative video!!
I truly love your stuff Luke.
In school i had hudge arguent about this exact issue with teacher, he didn't know the difference and i always pin point what he said wrong. It really pissed him off. I think i might send him this video and see what happen next :D
Love your content. Big vim help when I was new to it.
Put the sleep 5 command right when you put the ad for 5 sec. very clever.
The terminal on tinycore has this behaviour, which I think comes from flwm, the window manager: highlight something with a right click to copy, then middle click to paste. That's really annoying. The mac terminal has probably the most intuitive copy-paste behavior because macs use the command key for keyboard shortcuts, so the terminal can just use the regular shortcuts.
Tinycore linux uses /bin/sh as the default shell. It uses busybox, I believe, which gives a POSIX-compliant, but not bash-compatible shell, which has caused me headaches when running scripts that assume that /bin/sh is bash.
How do u increase font size of the terminal?
depends on the terminal
As Russ Hanneman would say, "This guy fucks!"
Very informative video, learnt something good about shell promps today :) nice
Are there any interactive shells available for javascript as well? Which one are you using? Whats so nice about it?
Thanks in advance
Imperialism: The Highest Stage of Capitalism was a great read.
actually, BASH, zsh, cshell, et al are command interpreters, correct. Like DCL is the command interpreter for VMS and RSTS.
This is a very good video .. good to know these terms
So what is the difference between a command line (interface) and a terminal emulator?
In addition, there's also the Line Editor.
Which has a copy and paste feature. In fact zsh comes with a built-in line editor (ZLE). So asking how to copy and paste is a legit question for zsh. Alt-w and Ctrl-y for anyone wondering. Asking how to do it in bash is still wrong though. Bash uses separate line editor, GNU readline. As far as I know zsh is the only shell that does not use GNU readline. By the way, the clipboard for those line editors is not in sync with the system clipboard (which is what most people are looking for), but with some configuration you could sync it. Also don't tell beginners too quickly how to paste in the terminal. Before you know it, they paste everything they can find on the internet in it.
@@hielke2332 Well, there are many shells not using readline: Dash uses libedit and I doubt the BSD /bin/sh's use readline.
@@humm535 Yeah, you are right. Stupid of me to claim there exists no alternatives to some piece software. What I meant to say was, most shells don't incorporate their line editor in the shell language as much as zsh does. In other shells these are separable components.
So terminal is the window, bash is the language inside the window, command line run different languages, and prompt is a specific name in each shell?
SO SO helpful thank you !!
Helpful content about differences between terminal, shell, etc. One enhancement is to show empathy for people who may be at different stages in learning instead of "laughing at them." Empathy applies to most areas in life.
I think Shell is an Interpreter, that can interact directly with the OS.
Whereas Sh, Bash, Zsh, Powershell are differerent kinds of Shells (or Interpreters)
Correct me if I am wrong