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What (who) is USR$501475$ - definition
WIKIMEDIA DISAMBIGUATION PAGE
USR (disambiguation)
USR
![An overview of a [[Unix]] filesystem layout](https://commons.wikimedia.org/wiki/Special:FilePath/Standard-unix-filesystem-hierarchy.svg?width=200 "An overview of a [[Unix]] filesystem layout")
DIRECTORY STRUCTURE USED BY A UNIX-LIKE OPERATING SYSTEM
/bin; /etc; /lib; /mnt; /opt; /sbin; /usr; /usr/bin; /tmp; /usr/include; /usr/lib; /usr/local; Sbin; /var; /var/tmp; Usr; Unix file system; Unix directory structure
User Service Routines
USR
DIRECTORY STRUCTURE USED BY A UNIX-LIKE OPERATING SYSTEM
/bin; /etc; /lib; /mnt; /opt; /sbin; /usr; /usr/bin; /tmp; /usr/include; /usr/lib; /usr/local; Sbin; /var; /var/tmp; Usr; Unix file system; Unix directory structure
usr
DIRECTORY STRUCTURE USED BY A UNIX-LIKE OPERATING SYSTEM
/bin; /etc; /lib; /mnt; /opt; /sbin; /usr; /usr/bin; /tmp; /usr/include; /usr/lib; /usr/local; Sbin; /var; /var/tmp; Usr; Unix file system; Unix directory structure
User. The "/usr" directory hierarchy on Unix systems. Once
upon a time, in the early days of Unix, this area actually
held users' home directories and files. Since these tend to
expand much faster than system files, /usr would be mounted on
the biggest disk on the system. The root directory, "/" in
contrast, contains only what is needed to boot the kernel,
after which /usr and other disks could be mounted as part of
the multi-user start-up process.
/usr has been used as the "everything else" area, with many
"system" files such as compiler libraries (/usr/include,
/usr/lib), utilty programs (/usr/bin, /usr/ucb), games
(/usr/games), local additions (/usr/local), manuals
(/usr/man), temporary files and queues for various daemons
(/usr/spool). These optional extras have grown in size as
Unix has evolved and disks have dropped in price. Under later
versions of SunOS, the user files have fled /usr altogether
for a new "/home" partition and temporary files have moved
to "/var". This allows /usr to be mounted read-only with some
gain in security and performance since access times are not
updated for files on read-only file systems.
Wikipedia
USR
USR may refer to:
- USRobotics, a technology firm
- USR (Guadeloupe football club), in Sainte-Rose, Guadeloupe
- U.S. Robots and Mechanical Men, a fictional robot manufacturer
- /usr, directory in Unix systems, see Filesystem Hierarchy Standard
- A variant of the Steyr AUG, assault rifle
- Save Romania Union, a Romanian political party
- USR, "User Serviceable Routine", a common BASIC instruction to execute native Machine code
- Upward Sun River site, archaeological site in Alaska
- Uxbridge and South Ruislip, a parliamentary constituency in the United Kingdom held by former Prime Minister Boris Johnson.
