LinuxQuestions.org - Need to See Logged In Users

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Need to See Logged In Users

If I open several Gnome terminal windows and on one of them type:

su - gwashington

and log in for that user, then the command prompt changes to show me that I am now user gwashington, which is also confirmed if I run whoami. Furthermore, running "ps" shows several processes owned by gwashington.

However, if I run the command "who," "w," or "users," I see only my actual userID in the list and user gwashington is nowhere to be found. How can I see a complete list of logged in users? I will not be satisfied with a clever explanation of why I don't see the gwashington ID. I need to be able to detect it in a full list of users.

Thanks in advance.

Brandon

If you want to detect all users as well as users who are logged in by other users, you can use this.

Code:

ps auh | cut -d ' ' -f1 | sort -n | uniq

An interesting idea, but I don't want to get users who have logged off but left processes running. Also, I do want to get users who are in by telnet, ssh, etc.

Try

Code:

ps -ef|awk '{print $1}'|sort -u

I don't want to get users who have logged off but left processes running. Just logged in users.