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Full Discussion: how to exclude the GREP command from GREP
Top Forums UNIX for Advanced & Expert Users how to exclude the GREP command from GREP Post 302139251 by xramm on Friday 5th of October 2007 02:59:40 AM
Old 10-05-2007
Quote:
Originally Posted by yamsin789
I am doing "ps -f" to see my process.
but I get lines that one of it represents the ps command itself.
I want to grep it out using -v flag, but than I get another process that belongs to the GREP itself :

I would like to exclude

[root@localhost ~]# ps -f
UID PID PPID C STIME TTY TIME CMD
root 15794 15792 0 13:48 pts/2 00:00:00 -bash
root 16157 15794 0 14:01 pts/2 00:00:00 ps -f

[root@localhost ~]# ps -f | grep -v ps
UID PID PPID C STIME TTY TIME CMD
root 15794 15792 0 13:48 pts/2 00:00:00 -bash
root 16160 15794 0 14:02 pts/2 00:00:00 -bash

while all I want is to get my pid line only.
or maybe you know another command that returns my pid and ppid only ?

thanks
I wonder ,Which flavor of Unix you use ? in the following example it is working:

Code:
[root@dns ~]# uname -a
Linux dns 2.6.22.5-76.fc7 #1 SMP Thu Aug 30 13:47:21 EDT 2007 i686 athlon i386 GNU/Linux
[root@dns ~]# ps -f | grep -v ps
UID        PID  PPID  C STIME TTY          TIME CMD
root      2593  2572  0 Oct04 pts/1    00:00:00 -bash

also works in HP Unix,
can you check this out:

[root@dns ~]# ps -f | grep -v ps |grep -v grep
UID PID PPID C STIME TTY TIME CMD
root 2593 2572 0 Oct04 pts/1 00:00:00 -bash
 

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LEARN ABOUT OPENSOLARIS

sulog

sulog(4)							   File Formats 							  sulog(4)

NAME

       sulog - su command log file

SYNOPSIS

       /var/adm/sulog

DESCRIPTION

       The  sulog file is a record of all attempts by users on the system  to execute the su(1M) command.  Each time  su(1M) is executed, an entry
       is added to the sulog file.

       Each entry in the sulog file is a single line of the form:

	 SU date time
	 result port user-newuser

       where

       date	  The month and date su(1M) was executed.  date is displayed in the form mm/dd where  mm is the month number and  dd  is  the  day
		  number in the month.

       time	  The time  su(1M) was executed. time is displayed in the form	HH/MM where  HH is the hour number (24 hour system) and  MM is the
		  minute number.

       result	  The result of the  su(1M) command.  A ` + ' sign is displayed in this field if the su attempt was successful; otherwise  a ` - '
		  sign is displayed.

       port	  The name of the terminal device from which  su(1M) was executed.

       user	  The user id of the user executing the  su(1M) command.

       newuser	  The user id being switched to with  su(1M).

EXAMPLES

       Example 1 A sample sulog file.

       Here is a sample sulog file:

	 SU 02/25 09:29 + console root-sys
	 SU 02/25 09:32 + pts/3 user1-root
	 SU 03/02 08:03 + pts/5 user1-root
	 SU 03/03 08:19 + pts/5 user1-root
	 SU 03/09 14:24 - pts/5 guest3-root
	 SU 03/09 14:24 - pts/5 guest3-root
	 SU 03/14 08:31 + pts/4 user1-root

FILES

       /var/adm/sulog	  su log file

       /etc/default/su	  contains the default location of  sulog

SEE ALSO

       su(1M)

SunOS 5.11							    6 Jun 1994								  sulog(4)
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