October 2000
Intermediate to advanced
704 pages
18h 44m
English
Table A-7 lists miscellaneous kernel parameters. You can read more about many of the tunable parameters in “Kernel Bootstrap and Initialization” .
| Parameter | Default | Category | Description/Notes |
|---|---|---|---|
| maxusers | MB of RAM | Limit | Generic tunable for sizing various kernel resources. |
| ngroups_max | 16 | Limit | Maximum number of supplementary groups a user can belong to. |
| npty | 48 | Limit | Number of pseudodevices, /dev/pts slave devices, and /dev/pty controller devices. |
| pt_cnt | 48 | Limit | Number of pseudodevices, /dev/pts slave devices, and /dev/ptm master devices. |
| rstchown | 1 | Switch | Enables POSIX_CHOWN_RESTRICTED behavior. Only a root process can change file ownership. A process must be a current member of the ... |
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