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info [2009/08/07 04:44]
k2patel
info [2012/12/03 11:35] (current)
k2patel [Named]
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 [[http://​www.redhat.com/​magazine/​008jun05/​features/​schedulers/​|File System Scheduler]] [[http://​www.redhat.com/​magazine/​008jun05/​features/​schedulers/​|File System Scheduler]]
- 
 ==== State Of Process ==== ==== State Of Process ====
 <code text> <code text>
-d :  uninterruptible sleep (usually io)+d : uninterruptible sleep (usually io)
 r : running or runnable (on run queue) r : running or runnable (on run queue)
 s : interruptible sleep (waiting for an event to complete) s : interruptible sleep (waiting for an event to complete)
Line 12: Line 11:
 x : dead (should never be seen) x : dead (should never be seen)
 z : defunct ("​zombie"​) process, terminated but not reaped by its parent. 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 ====
 +
 +First Block explained.
 +<code bash | example.org>​
 +
 +$TTL 3600        ; 1 hour default TTL
 +example.org. ​   IN      SOA      ns1.example.org. admin.example.org. (
 +                                2006051501 ​     ; Serial
 +                                10800           ; Refresh
 +                                3600            ; Retry
 +                                604800 ​         ; Expire
 +                                300             ; Negative Response TTL
 +                        )
 +
 +</​code>​
 +
 +=== Magic Number ===
 +this is considered magic serial number because.\\
 +as soon as your set this number DNS reset it's counter.
 +<code text>
 +2147483647
 +</​code>​
 +
 +==== File Permission notation ====
 +<code text>
 +- denotes a regular file
 +d denotes a directory
 +b denotes a block special file
 +c denotes a character special file
 +l denotes a symbolic link
 +p denotes a named pipe
 +s denotes a domain socket
 </​code>​ </​code>​
info.1249634664.txt.gz ยท Last modified: 2009/08/07 04:44 by k2patel