All Linux, Apple, Mac Software shortcut key (free book)

Mac OS X Keyboard Shortcuts

Startup
Keystroke	Description
Press X during startup	Force Mac OS X startup
Press Option-Command-Shift-Delete during startup	Bypass primary startup volume and seek a different startup volume (such as a CD or external disk)
Press C during startup	Start up from a CD that has a system folder
Press N during startup	Attempt to start up from a compatible network server (NetBoot)
Press T during startup	Start up in FireWire Target Disk mode
Press Shift during startup	start up in Safe Boot mode and temporarily disable login items and non-essential kernel extension files (Mac OS X 10.2 and later)
Press Command-V during startup	Start up in Verbose mode.
Press Command-S during startup	Start up in Single-User mode

UNIX & Linux hotkeys - Keyboard Shortcuts
KEYBOARD SHORTCUTS

CTRL + B	Move the cursor backward one character.
CTRL + C	Cancel the currently running command.
CTRL + D	Log out of the current session.
CTRL + F	Move the cursor forward one character.
CTRL + H	Erase one character. Similar to pressing backspace.
CTRL + P	Paste previous line and/or lines.
CTRL + S	Stop all output on screen (XOFF).
CTRL + Q	Turn all output stopped on screen back on (XON).
CTRL + U	Erase the complete line.
CTRL + W	Delete the last word typed in. For example, if you typed 'mv file1 file2' this shortcut would delete file2.
CTRL + Z	Cancel current operation, move back a directory and/or take the current operation and move it to the background.

Book link(mediafire link)
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