See also:

• Computers: Software: Operating Systems: Unix: Publications  (2)

• UnixPower   - Help site and portal documenting all major Unix distributions.

• Examware - Unix tutorials, exercises and resources. Features on-line tests and training materials.
• First Edition Unix Manual - The original Unix users manual.
• Online Single Unix Specification - Ordering page for the Open Group's Single Unix Specification.
• pyttymon - A simple daemon that monitors and limits usage of ttys. It is implemented in Python. A simple config file can specify monthly, daily, session, and idle limits based on tty, user, group, and ttys in use.
• Understanding Unix Concepts - Conceptual discussion of Unix and Unix-like operating systems.
• Unix and Linux Commands - Basic as well as more obscure commands for Unix/Linux operating systems.
• Unix Filesystem - Description of how the filesystem works internally.
• Unix for Advanced Users - Description of startup/shutdown, process management and memory management.
• Unix Manuals - Brief Unix tutorial, online man pages and reference materials for the Unix operating system and common Unix utilities.
• Unix Seventh Edition Manual - Source material from Bell Labs.
• Unix Signals and Process Groups - Short survey of Unix signal handling and process groups, conceptually and with interface descriptions. Compares System V Release 3, System V Release 4, BSD, and POSIX variants.