Is an software or process causing problems on your Mac?

Rid yourself of the problem app by killing it using Activity Monitor or the Terminal.

it’s possible for you to also find and kill processes that are using specific ports on your Mac.

Find running processes on macOS using Activity Monitor

Activity Monitor has severalviews you might use to isolate problems.

Find out processes that are safe to kill on your Mac.

For example, typing

will return a list of processes with “Safari” in the title.

Search macOS processes that match “Safari” in Activity Monitor

To kill a process immediately (also known as force quit) use

instead.

you’re free to also kill a process using its name with the

command, for example

.

This will kill all processes with “Safari” in the name (again, processes are case-sensitive).

Quit macOS process using Activity Monitor

Fortunately, this is easy to do using Terminal.

The command differs depending on which version of macOS you’re using.

If you find that you frequently need to do this, learnhow to troubleshoot crashing apps on your Mac.

List running processes by PID in macOS Terminal

List processes that match “Safari” in Terminal

List processes using a port on your Mac with the lsof Terminal command

Force Quit a macOS app using the context menu