lsof ??? Post: 302077409

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Top Forums UNIX for Dummies Questions & Answers lsof ??? Post 302077409 by blowtorch on Wednesday 21st of June 2006 10:25:51 PM

06-21-2006

Registered User

Here's the output of lsof on a Sun 5.9 system for pid 1 (init process).

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$ lsof 2>/dev/null |grep " 1 "
init          1     root  cwd   VDIR         256,0       2048          2 /
init          1     root  txt   VREG         256,0     919644      28367 /sbin/init
init          1     root  txt   VREG         256,0     222708    1545266 /etc/lib/ld.so.1
init          1     root  txt   VREG         256,0       3984    1545267 /etc/lib/libdl.so.1
init          1     root    0u  FIFO         256,0        0t0    1543503 /etc/initpipe
$ lsof -p 1 2>/dev/null
COMMAND PID USER   FD   TYPE DEVICE SIZE/OFF    NODE NAME
init      1 root  cwd   VDIR  256,0     2048       2 /
init      1 root  txt   VREG  256,0   919644   28367 /sbin/init
init      1 root  txt   VREG  256,0   222708 1545266 /etc/lib/ld.so.1
init      1 root  txt   VREG  256,0     3984 1545267 /etc/lib/libdl.so.1
init      1 root    0u  FIFO  256,0      0t0 1543503 /etc/initpipe

Now the difference in the wc -l for the two will come in because the second output has the header line included in it. I believe that you would be getting the 'lsof -p' output as one greater than the 'lsof |grep pid' output.

blowtorch

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LEARN ABOUT LINUX

service

service(8)						      System Manager's Manual							service(8)

NAME

       service - run a System V init script

SYNOPSIS

       service SCRIPT COMMAND [OPTIONS]

       service --status-all

       service --help | -h | --version

DESCRIPTION

       service runs a System V init script in as predictable environment as possible, removing most environment variables and with current working
       directory set to /.

       The SCRIPT parameter specifies a System V init script, located in /etc/init.d/SCRIPT.  The  supported  values  of  COMMAND  depend  on  the
       invoked	script,  service  passes  COMMAND and OPTIONS it to the init script unmodified.  All scripts should support at least the start and
       stop commands.  As a special case, if COMMAND is --full-restart, the script is run twice, first with the stop command, then with the  start
       command.

       service --status-all runs all init scripts, in alphabetical order, with the status command.

EXIT CODES

       service calls the init script and returns the status returned by it.

FILES

       /etc/init.d
	      The directory containing System V init scripts.

ENVIRONMENT

       LANG, TERM
	      The only environment variables passed to the init scripts.

SEE ALSO

       /etc/init.d/skeleton,
       update-rc.d(8),
       init(8),
       invoke-rc.d(8).

								     Jan 2006								service(8)

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LEARN ABOUT LINUX

service