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Problem with ps command??

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# 1  
Old 07-29-2005
Data Problem with ps command??

I have a problem to....

(1).List the number of unique users that has active

(2).List the number of active processes for each of
the users in (1).

(3).Determine total memory usage for each user.

Help me please....thank you.
Best regard.
# 2  
Old 07-29-2005
What operating system and version are you using? On Solaris 2.x you can use:

prstat -t

On other UNIX's there maybe utilities that do a similar thing that I'm not familiar with. in which case you'd have to so soe scripting around the ps command.
# 3  
Old 07-29-2005
1. To get users logged in, use
who -u

2. To get just the user ids that are logged in (not the number of times that the id is logged in) use
who |awk '{print $1}' |sort -u

To get active processes for each user, use the output of (2) from above:
who |awk '{print $1}' |sort -u | while read line
ps -fu $line|more


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