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Old 11-14-2006, 12:42 AM   #1
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Registered: Dec 2005
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/dev/initctl .. What is this device file for.


I was just looking at the device files in /dev file system and I observe some special device file named /dev/initctl. When I execute the command
ll /dev/initctl ,
it is displaying me the following output

prw------- 1 root root 0 Nov 5 23:47 initctl.

Here, I would like to know the permissions i.e. prw----, what does the 'p' refers to. Moreover, what this device file is for?

Old 11-14-2006, 12:56 AM   #2
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Registered: Feb 2003
Distribution: Slackware
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'man -k initctl' turned up nothing, so 'man -K initctl' gave me:
       Usage of SIGPWR and /etc/powerstatus is discouraged. Someone wanting to
       interact  with  init  should use the /dev/initctl control channel - see
       the source code of the sysvinit package for  more  documentation  about
from init(8).

p means it's a named pipe/FIFO.


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