How to examine processes in OS X s Terminal

Question

I   d like to view information for processes running in OS X  Running ps in the terminal just lists the open Terminal windows  How can I see all processes that are running   Say I   m running a web browser  terminal and text editor  I   d like to see information for the text editor and web browser

User · Answer

Try ps -ef  man ps will give you all the options    -A      Display information about other users  processes  including those without controlling terminals    -e      Identical to -A    -f      Display the uid  pid  parent pid  recent CPU usage  process start time  controlling tty  elapsed CPU usage  and the associated command   If the -u option is also used  display          the user name rather then the numeric uid   When -o or -O is used to add to the display following -f  the command field is not truncated as severely as it is in other formats

User · Answer

You can just use top It will display everything running on your OSX

User · Answer

Using top and ps is okay  but I find that using htop is far better  amp  clearer than the standard tools Mac OS X uses  My fave use is to hit the T key while it is running to view processes in tree view  see screenshot   Shows you what processes are co-dependent on other processes     You can install it from Homebrew using   brew install htop   And if you have Xcode and related tools such as git installed on your system and you want to install the latest development code from the official source repository   just follow these steps   First clone the source code from the htop GitHub repository   git clone git github com hishamhm htop git   Now go into the repository directory   cd htop   Run autogen sh     autogen sh   Run this configure command     configure   Once the configure process completes  run make   make   Finally install it by running sudo make install   sudo make install

User · Answer

Try the top command  It s an interactive command that will display the running processes   You may also use the Apple s  Activity Monitor  application  located in  Applications Utilities     It provides an actually quite nice GUI  You can see all the running processes  filter them by users  get extended informations about them  CPU  memory  network  etc   monitor them  etc     Probably your best choice  unless you want to stick with the terminal  in such a case  read the top or ps manual  as those commands have a bunch of options

User · Answer

To sort by cpu usage  top -o cpu

User · Answer

if you are using ps  you can check the manual  man ps   there is a list of keywords allowing you to build what you need  for example to show  userid   processid   percent cpu   percent memory   work queue   command    ps -e -o  uid pid pcpu pmem wq comm    -e is similar to -A  all inclusive  your processes and others   and -o is to force a format    if you are looking for a specific uid  you can chain it using awk or grep such as    ps -e -o  uid pid pcpu pmem wq comm    grep 501   this should  almost  show only for userid 501  try it

User · Answer

Running ps -e does the trick  Found the answer here

[macos] How to examine processes in OS X's Terminal?

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