Groups
From Gentoo Linux Wiki
Groups in a UNIX style operating system are put in place to assign permissions to users
[edit] System Groups
| Name | Standard ID | Purpose |
|---|---|---|
| root | 0 | Complete system administration and control |
| bin | 1 | (to be added) |
| daemon | 2 | (to be added) |
| sys | 3 | (to be added) |
| adm | 4 | (to be added) |
| portage | 250 | group for portage users |
| nogroup | 65533 | unprivileged group |
| nobody | 65534 | unprivileged group |
[edit] Container Groups
| Name | Standard ID | Purpose |
|---|---|---|
| disk | 6 | Direct access to disks. |
| wheel | 10 | su (change to super user / root). |
| floppy | 11 | Direct access to floppies. |
| uucp | 14 | Access to ttY-Devices. |
| audio | 18 | Access to audio devices. |
| cdrom | 19 | Direct access to CD-ROMs (and CD-RW, DVD-ROM/RAM/RW). |
| video | 27 | Access to video capture hardware, hardware acceleration. |
| games | 35 | Access to all games. |
| cdrw | 80 | CD burning. |
| usb | 85 | Use of USB devices. |
| users | 100 | Standard group of users. |
| apache | 81 | Allows write access to Apache files. |
| mysql | 60 | Allows read/write access to MySQL files. |
| plugdev | 442 | Allows to mount and use pluggable devices such as cameras and USB sticks. |
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