How to pause a process on Mac without quitting it
Pausing freezes an app and drops its CPU load to zero, but it does not free memory. The kill -STOP and kill -CONT commands, measurements on a Mac, and limits.
3 min read • October 2026Your Mac, explained
What the processes in Activity Monitor do, why a Mac slows down, and what to do about it
kernel_task high CPU on Mac: what it is and what to do
kernel_task is the part of macOS that cools the processor by taking CPU time from apps. High usage means your Mac is running hot. How to find the app that heats it.
3 min read • October 2026