Linux

Directory Manipulation

Change direct­ory cd

Remove direct­ory rmdir

Move direct­ory mv source desti­nation

Remove all files recurs­ively rm -rf

Copy directory or file cp source desti­nation

Create shortcut ln -s path alias

Create direct­ory mkdir directory name

Create empty file or update time stamp. touch filename

Navigation

List all directory contents in long data form ls -al direc­tory

Find all java files by extension find direc­tory -name pattern

Find all indexed paths in updatedb locate option pattern

Finds source, binary and manual files: whereis filename

Shows full path of command which -a filename

Display

Variable string echo string

Numb­ere­d-line text cat -n filepath

Scro­llable number­ed-line text less -N filepath

Current direct­ory pwd

Begi­nning of a file head

End of a file tail

Count: character, word and line wc

Dire­ctory hierar­chy tree path

Technical Architect Brain