To properly make use of this information, you’ll want some basic understanding of what user accounts exist on the Mac (i.e. Choosing the “Network” tab within Activity Monitor will offer details about user network usage as well, helping to indicate if they are copying or receiving files from the Mac to their own. If you’re looking for a specific user account, you can easily find that user as well as all the processes they are running, be it apps, services, or nothing, and what kind of resources they are using.

Click on “Users” to sort and group the list by users logged in.Launch “Activity Monitor” in Mac OS X, found within /Applications/Utilities/.

This will be inclusive, but the data is a bit limited for some uses as you’ll see: The simplest way to get basic user details is to use Activity Monitor from an Administrator user account. See Users with Activity Monitor in Mac OS X This is fairly comprehensive, meaning it will include all users who are currently connected and/or actively logged onto a Mac, whether by another user account in the background, a Guest user account, general sharing from public folder access, a user connected through a local network share for the purpose of sharing files with another Mac, network users connected from Windows PC’s or linux machines through SMB, remote logins through SSH and SFTP, just about everything. We’ll cover finding active user accounts through Activity Monitor, the ‘last’ command, and the ‘who’ command.

Where to find activity monitor on mac