> For the complete documentation index, see [llms.txt](https://yunaeecy.gitbook.io/wiki/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://yunaeecy.gitbook.io/wiki/command-line.md).

# command-line

<figure><img src="/files/NtBhqkSix6M0ymbL5sUN" alt=""><figcaption></figcaption></figure>

ls=list information about file

mkdir=Create new folder

cd=change directory

Touch=create file(touch test.html)

rm=remove file

pwd=print working directory

rm  -r=delete folder(rm space r)

open =open a file/folder

nano=simple text editor

cd - =go back to the editor

<br>

<br>

code hello.c —>write

make hello.c —>compile file from source code to machine code

./ hello —>is going to be the command to run my actual code

“Go to your prompt” —>means go to your terminal window

<br>

hello.c :5:5 —> means file hello.c line 5 character  5 has error

Single quote: single character,like ’n’