For you Windows user, here Some of Microsoft Microsoft Windows Shortcut Keys
Shortcut keys help provide an easier and usually quicker method of navigating and using computer software programs.

ANSI.SYS Defines functions that change display graphics, control cursor movement, and reassign keys.
APPEND Causes MS-DOS to look in other directories when editing a file or running a command.
ARP Displays, adds, and removes arp information from network devices.
ASSIGN Assign a drive letter to an alternate letter.
ASSOC View the file associations. (more…)