Advanced Programming in the UNIX Environment (2nd Edition) - VERY GOOD

Unix in Plain English by Kevin Reichard; Eric F. Johnson

Advanced Programming in the UNIX(R) Environment (Addison-Wesley Professio - GOOD

Learning the UNIX Operating System (In a Nutshell) - Paperback - GOOD

UNIX in Plain English, Reichard, Kevin

SCO Unix in a Nutshell - VERY GOOD

Unix in easy steps - Paperback By McGrath, Mike - GOOD

Advanced Programming in the UNIX Environment (2nd Edition) - Hardcover - GOOD