Imagemagick is a command line tool that you can use to manipulate images.
Use ffmpeg to convert flv to image sequence. FLV is flash video format.
This command generates a jpg thumbnail from an flv movie.
The script command allows you to write all input and output of a terminal session to a file.
Powerful searching with foreach and opfind.
Renaming a series of nodes with a foreach loop and opname.
Use ffmpeg to resize while converting image sequence to avi.
Use ffmpeg to convert quicktime mov to avi format.
Use ffmpeg to convert image sequence to avi format.
A brief, yet in depth overview of the string replacing capabilities of the sed command. sed Unix Matrix
How to use zip and tar with files to create compressed archives.
This includes some terminal key commands, bracing, basic math, and creating variables.
A trick using head and tail commands to pull out a line of a file.