# command-line

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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

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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

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

Single quote: single character,like ’n’