Don’t forget the command: man commandname for program/command specific information.

Using Command Line

Get the Drive Usage / Free space

Use command: df -h

Get the Folder size

Use Command: du –h

Schedule a command

This will edit current users crontab config: crontab –e

This will list current users crontab config: crontab –l

Tasks are entered with the following syntax:

* * * * * (command; another command ;)

Where the *’s represent: Min, hrs, days of month, month of yr ,day of week

Printing a PDF

The following command line command prints a PDF file and moves it to a folder called printed.

Prerequisites:

• GhostScript is installed
• Printer is installed (and is a hp laserjet)
• There is a ‘printed’ folder in the same folder as the PDF file

Using VI Editor (VIM)

Basic Operation

Enter edit mode with ‘Ins’

Return to command mode with ‘Esc’.

Quit without saving with ‘:q!’ in command mode.

Quit with saving with ‘ZZ’ in command mode.

Save with ‘:w’ in command mode.

Save As with ‘:w newfilename’ in command mode.

Turn on syntax highlighting with ‘:syntax on’.

Modify Configuration Defaults

Open /etc/vim/vimrc or .vimrc in your home directory

To turn on Syntax Highlighting by default, change the line “ syntax on to syntax on.