Similar to シェルアカウント

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

Unix-like

Unix wars

List of POSIX commands

X Window System

XFS

Xinetd

ZFS

Interix

Open system (computing)

Virtual console

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Getty (software)

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