Specialized System Consultants (SSC), is a private media company that publishes magazines and reference manuals. SSC properties include LinuxGazette.com, ITgarage.com, the monthly international print magazine Linux Journal, and the webzine Tux Magazine.
XENIX System V Command Summary
UNIX System Command Summary: for Berkeley 4.2 & 4.3 BSD
C Library Reference: Standard System V, System V, Release 2, /usr/group Standard