Free HD Video Editing software

KDEnlive for Linux
http://www.kdenlive.org
http://en.wikipedia.org/wiki/Kdenlive

Avidemux for Windows and Linux
http://fixounet.free.fr/avidemux/
http://download.cnet.com/Avidemux/3000-13631_4-10829933.html

Useful Linux command compilation

Set system date/time

: date -s "17 OCT 2010 13:00:00"

: hwclock -systohc


Change the time stamps of files

: touch foo


File Permissions

chmod -R ugoa =+- rwx filename
       ^ ^^^^ ^^^ ^^^     ^
       | |||| ||| |||     |
       | |||| ||| |||     \---------- file or directory
       | |||| ||| |||                 --------------------
       | |||| ||| ||\---------------- Execute
       | |||| ||| |\----------------- Write
       | |||| ||| \------------------ Read
       | |||| |||                     --------------------
       | |||| ||\-------------------- Remove
       | |||| |\--------------------- Add
       | |||| \---------------------- assign
       | ||||                         --------------------
       | |||\------------------------ All
       | ||\------------------------- Others
       | |\-------------------------- Group
       | \--------------------------- User
       |                              --------------------
       \----------------------------- Recursively 
                                      --------------------
       Usage: chmod g+w filename
 

From : http://en.wikibooks.org/wiki/Linux_Guide/Using_the_shell 

An excellent resource of information with clear explanations  

Linux bash command online resources for beginners and experts

These are some of the useful online resources I came across while searching for some Linux bash commands to do certain specific tasks.

1) http://www.linux.org/lessons/tips/cmndline.html