Inside the system: resources, kernel, processes

Quiz: CPU, memory and OOM

Question 5 of 8

One correct answer

A service started two processes, render-reports and gzip; both compute and share the CPU equally. You ran `sudo renice -n 19 -p <gzip PID>`. What will top show a few seconds later?

Both stay at 50% — nice affects the start order, while the share is the same.
render-reports gets almost the whole CPU, and gzip shows 19 in the NI column.
gzip stops — nice 19 switches the process off while the CPU is busy.

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