cat

Concatenates and displays files

cd

Changes directories

chgrp

Changes the ownership group for a file

chmod

Modifies access permissions for a file

chown

Changes the owner of a file

cp

Copies files

file

Determines file type

find

Finds files

ln

Creates a link to a file

ls

Lists files in a directory

mkdir

Creates directories

more

Enables you to display one screen of information at a time

mv

Moves or renames files

pwd

Displays the present working directory

rm

Removes (deletes) a file

rmdir

Removes empty directories

touch

Creates a file or updates the file's last modification time

umask

Displays or changes the umask value