# Tickadj - set time-related kernel variables

**URL:** <https://community.nwtime.org/t/tickadj-set-time-related-kernel-variables/131>\
**Category:** Documentation\
**Created:** [February 2, 2026, 8:04pm UTC](https://community.nwtime.org/t/tickadj-set-time-related-kernel-variables/131 "2026-02-02T20:04:26Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Dru](https://sea1.discourse-cdn.com/flex001/user_avatar/community.nwtime.org/dru/32/337_2.png) [@Dru](https://community.nwtime.org/u/Dru)\
**Post date:** [February 2, 2026, 8:04pm UTC](https://community.nwtime.org/t/tickadj-set-time-related-kernel-variables/131/1 "2026-02-02T20:04:26Z")

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> **[tickadj - set time-related kernel variables](https://www.ntp.org/documentation/4.2.8-series/tickadj/)**
>
> The tickadj program reads, and optionally modifies, several timekeeping-related variables in older kernels that do not have support for precision timekeeping, including HP-UX, SunOS, Ultrix, and SGI. Newer machines with kernel time support, including...