UNIX REFCARD

Many of us know Unix Operating System..And as a hackers we must have a grip on it.So to rule unix world you must have this Unix Reference Code...It consists of information regarding various topics like BASIC UNIX,SCREEN,PRINTING,PROCESS MANAGEMENT,ADVANCED UNIX,FILE ARCHIVE AND COMPRESSION ETC.,

You can download it below..
This will Help You a lot..

Note: For educational purpose only.