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tldr/pages/linux/sysctl.md
Managor ae436c1b00
linux/*: add option placeholders (#16192) 
* batch1

* batch2

* batch3

* batch4

* Update matchpathcon.md

* Update pages/linux/arecord.md

Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>

* Update pages/linux/arecord.md

Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>

* Update pages/linux/arecord.md

Co-authored-by: Wiktor Perskawiec <git@spageektti.cc>

---------

Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>
Co-authored-by: Wiktor Perskawiec <git@spageektti.cc>
2025-04-19 21:21:53 +00:00

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sysctl

List and change kernel runtime variables. More information: https://manned.org/sysctl.8.

  • Show all available variables and their values:

sysctl {{[-a|--all]}}

  • Set a changeable kernel state variable:

sysctl {{[-w|--write]}} {{section.tunable}}={{value}}

  • Get currently open file handlers:

sysctl fs.file-nr

  • Get limit for simultaneous open files:

sysctl fs.file-max

  • Apply changes from /etc/sysctl.conf:

sysctl {{[-p|--load]}}