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rctl — resource limits
To compile this driver into the kernel, place the following line in the kernel configuration file: options RACCT options RCTL
The rctl subsystem provides a flexible resource limits mechanism, controlled by a set of rules that can be added or removed at runtime using the rctl(8) management utility.
Tunables can be set at the loader(8) prompt, or loader.conf(5). kern.racct.enable: 1 Enable rctl. This defaults to 1, unless options RACCT_DEFAULT_TO_DISABLED is set in the kernel configuration file.
The rctl subsystem first appeared in FreeBSD 9.0.
The rctl subsystem was developed by Edward Tomasz Napierala <trasz@FreeBSD.org> under sponsorship from the FreeBSD Foundation.