proc directory Post: 38454

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Top Forums UNIX for Dummies Questions & Answers proc directory Post 38454 by Perderabo on Wednesday 16th of July 2003 04:17:55 PM

07-16-2003

Administrator Emeritus

It would help if you tell us which os you are using.

In general, the proc directory is a make-believe file system.

First that means that it is a seperate file system. If / and /usr are filesystems and / is tight on space, freeing up space in /usr does not help /. Ditto which /proc and /.

But /usr is at least a real filesystem. If you free up space in /usr, well then you have some space in /usr where you could put some files. That is not true of /proc. /proc is not real disk space and you cannot put files there.

/proc is a representation of the processes that are running. Yes, you can tune a kernel and limit the number of proceeses that can run. That will make /proc smaller.

Before you do that, look at /proc immediately after a boot. It will be much smaller. But you won't have any more disk space.

Perderabo

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LEARN ABOUT SUSE

mkill

MKILL(8)						       The SuSE boot concept							  MKILL(8)

MKILL

       Mkill - Send processes making a active mount point busy a signal

SYNOPSIS

       mkill [-SIG] [-u] /mnt1 [/mnt2...]
       mkill [-l]

DESCRIPTION

       mkill  determines  all  active  mount points from /proc/mounts and compares this with the specified mount points. Then mkill seeks for pro-
       cesses making this mount points busy. For this search only the links found in /proc/<pid>/ are used to avoid hangs  on  files  provided	by
       network	file  systems  like nfs(5).  The default signal is SIGTERM for termination. If a mount point is not active, that is that it is not
       found in /proc/mounts, mkill will do exactly nothing.

OPTIONS

       -<SIG> Signals  can be specified either by name (e.g. -HUP, -SIGHUP) or by number (e.g. -1).

       -0     The special signal 0 force mkill to list all processes making the specified mount point busy.

       -u     Perform a lazy umount on the specified mount points before sending the signal SIGTERM or SIGKILL.

       -l     List all known signals.

EXAMPLES

       mkill -TERM /var

       This will terminate all processes accessing a seperate /var partition.

       mkill -HUP /dev/pts

       All processes using a pseudo-terminal slave will hangup.

RETURN VALUE

       Always success which is that zero is returned.

SEE ALSO

       fuser(1), proc(5), umount(8).

COPYRIGHT

       2008 Werner Fink, 2008 SUSE LINUX Products GmbH, Germany.

AUTHOR

       Werner Fink <werner@suse.de>

3rd Berkeley Distribution					   Jan 31, 2008 							  MKILL(8)

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