The staff of O'Reilly Media

Linux in a Nutshell by Ellen Siever , The staff of O'Reilly Media Second Edition February 1999 OUT OF PRINT	Linux in a Nutshell by Jessica P. Hekman , The staff of O'Reilly Media February 1997 OUT OF PRINT
SCO UNIX in a Nutshell by The staff of O'Reilly Media , Ellie Cutler February 1994 Print: $29.95	UNIX in a Nutshell: System V Edition by Daniel Gilly , The staff of O'Reilly Media June 1992 OUT OF PRINT
UNIX in a Nutshell: Berkeley Edition by The staff of O'Reilly Media December 1986 OUT OF PRINT