Command Line - CS50 Shorts

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This is CS50, Harvard University's introduction to the intellectual enterprises of computer science and the art of programming.

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LICENSE

CC BY-NC-SA 4.0
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Public License

David J. Malan

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Timestamps
00:00 - Intro
01:25 - ls
03:18 - cd and pwd
07:44 - mkdir
09:01 - cp
12:02 - rm
15:44 - mv
17:38 - Other commands

Summary
ls List content of the current directory
cd Change current directory
pwd Print current working directory
mkdir Create directory
cp Copy file, use -r to copy a directory
rm Delete file, use -r to delete a directory, -f to skip confirmation /!\ NO UNDO /!\ be careful !!
mv Move (rename) file or directory
Ctrl + L Clear screen

[Hamserto]

After you've started typing an existing file or folder name you can press the "tab-key" to autocomplete. If there is more than one possible file or folder double pressing "tab-key" will show you a list.

[sonicfreak]

"Linux operating system is favored by programmers, because it's just... cooler, right?"
I love this guy

[vijaynyaya]

The video should have timestamps. I just wanted to review a few commands.

[JayTorin]

Idk why but every time he says tilde my brain whispers Swinton

[mattitalks]

as a side note its only for the unix os's that use bash what is most of then but their is more shells then just bash

[luizashabetnick]

pwd stands for "print working directory", not "present working directory"

[BDL]

Whenever I try to change directories to a folder it says "too many arguments"

[weiliu]

I am new to cs50, I am using the cloud version of cs50, my terminal area is very small, I can barely see one line, how do I make it bigger

[pavanganeshpg]

Rise your ✋ when you're in class 7, you use kail Linux to look cool, and then learn those basic commands, to showoff in front of your friends. Those days these commands are 😍🥰😘.

[jordanabarcelos]

I tried the rm command in MacOS and I wasn't asked if I was sured about that

[katya]

I have Ubuntu 22.04.2 LTS as my OS, and it didn't ask me whether I want to delete a file or not, meaning there wasn't y/n question when deleting a file while working in the terminal. Does this y/n question before removal depend on the version of Ubuntu or something?

[md.mashrafirahman]

Hey, Is there any way to remove all of the file inside my current directory at once?

[joostvanderlinden]

CLI = command line interface <> GUI

[BlindElephantNK]

does the L in ctrl L stand for anything? i always think its ctrl c for clear... thinking about it now, is it possible that since ctrl c is for copy, that the L is the letter after C in clear?

[deathincarnatesplace]

hey Mr. Lloyd??? Would you consider making a class for operating system codes like just plain game maker studio 2 code gml code. i gaurantee I will pay full price on that one as soon as i learn enough about code as that is exactly why i am here in the first place and the roads from there (in google) lead directly to here and that is why i am here right now. so please make one for gml code a full class with both types of tutorial or maybe you Mr. david mallan can make one. please this is so there will be no jargon or inconsistencies in learning. It is really a lot like c and thank you very much for listening and remember the searches for find ways to learn gml code are ending up at harvard university and to make sure it happens just start a game maker studio 2 gml code course and the amount will double. It took six search's i found unsatisfactory to find you. just set one up for gml code and they will come.

[Kayzer]

Just wondering whether pwd stands for "print working directory" rather for "present working directory"

[eduarduskresnapurnama]

Why we must used command line? Are windows UI more easy to used?

[simspawn]

First, I wanna say thanks to Doug for the videos. However, I would like to point this could and should be a 5 min video. Far too much rambling and repeating.

[coldfuzion]

There's something fishy about the last few seconds of the video. I think he might have meant to write 'mv greddy.c greedy.c'. He typed the file names in reverse, thereby retaining the faulty file name of greddy.c and not renaming to greedy.c. You can see the incorrect file name still there when he types 'ls' and greddy.c is still there. Anyone else notice that?