# proc_sys_user - limits on the number of namespaces of various types - man(5) - [phpMan]

[_proc_sys_user_(5)](https://www.chedong.com/phpMan.php/man/procsysuser/5/markdown)                         File Formats Manual                        [_proc_sys_user_(5)](https://www.chedong.com/phpMan.php/man/procsysuser/5/markdown)

## NAME
       /proc/sys/user/ - limits on the number of namespaces of various types

## DESCRIPTION
       _/proc/sys/user/_ (since Linux 4.9)
              See [**namespaces**(7)](https://www.chedong.com/phpMan.php/man/namespaces/7/markdown).

## SEE ALSO
       [**proc**(5)](https://www.chedong.com/phpMan.php/man/proc/5/markdown), [**proc_sys**(5)](https://www.chedong.com/phpMan.php/man/procsys/5/markdown)

Linux man-pages 6.7                          2023-11-24                             [_proc_sys_user_(5)](https://www.chedong.com/phpMan.php/man/procsysuser/5/markdown)