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info [2011/08/24 19:53] k2patel |
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- | ==== File System Performance ==== | ||
- | |||
- | [[http://www.redhat.com/magazine/008jun05/features/schedulers/|File System Scheduler]] | ||
- | ==== State Of Process ==== | ||
- | <code text> | ||
- | d : uninterruptible sleep (usually io) | ||
- | r : running or runnable (on run queue) | ||
- | s : interruptible sleep (waiting for an event to complete) | ||
- | t : stopped, either by a job control signal or because it is being traced. | ||
- | w : paging (not valid since the 2.6.xx kernel) | ||
- | x : dead (should never be seen) | ||
- | z : defunct ("zombie") process, terminated but not reaped by its parent. | ||
- | </code> | ||
- | ==== Init Runlevel ==== | ||
- | <code text> | ||
- | 0 Halt | ||
- | 1 Single-User mode | ||
- | 2 Multi-user mode console logins only (without networking) | ||
- | 3 Multi-User mode, console logins only | ||
- | 4 Not used/User-definable | ||
- | 5 Multi-User mode, with display manager as well as console logins | ||
- | 6 Reboot | ||
- | </code> | ||
- | |||
- | ==== Named ==== | ||