Delete

Delete folder

rm -rf foldername

Delete all files inside folder (except hidden ones)

rm -rf foldername/*

rm = “remove”
-f = “force” which is helpful when you don’t want to be asked if you want to remove an archive.
-r = “recursive” which means that you want to go recursively down every folder and remove everything.

Compression

Zipping files

zip squash.zip file1 file2 file3

Zipping a directory

zip -r squash.zip dir1

Unzipping compressed a file

unzip filename

or

unzip file.zip -d destination_folder