Similar to Unixの歴史

IBM High Availability Cluster Multiprocessing

Procfs

Setuid

Single UNIX Specification

STREAMS

Termcap

Terminfo

Tz database

Udev

UNIX System III

UNIX System V

The UNIX-HATERS Handbook

List of POSIX commands

X Window System

XFS

Xinetd

ZFS

Interix

Virtual console

Pseudoterminal

Getty (software)

Shell (computing)

Shell account

Shebang (Unix)

Sticky bit

Daemon (computing)