Usr

4 definitions found

From Virtual Entity of Relevant Acronyms (Version 1.9, June 2002) [vera]:

  USR
       User Service Routines
       
       

From Virtual Entity of Relevant Acronyms (Version 1.9, June 2002) [vera]:



  USR
       U.S. Robotics (manufacturer)
       
       

From The Free On-line Dictionary of Computing (27 SEP 03) [foldoc]:

  USR
       
          {U.S. Robotics, Inc.}
       
       

From The Free On-line Dictionary of Computing (27 SEP 03) [foldoc]:

  usr
       
          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 {daemon}s
          (/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.