3.1 Process Management

Question 1

What command is used to display information about a process?

Answer 1

ps

Question 2

What command is used to display a snap shot currrently running processes?

Answer 2

ps aux

Question 3

What command is used to kill a process

Answer 3

kill <processId>

Question 4

What command is used to display dynamic real-time information about running processes.

Answer 4

top

Question 5

What command is used to terminate processes by name?

Answer 5

killall <processName> e.g killall firefox

Question 6

What does the sar commnad do?

Answer 6

Collects, reports, and saves system activity information such as CPU, memory,
disk, and network usage.

Examples:
* sar -u (displays CPU utilization statistics).
* sar -r (displays memory utilization statistics).
* sar -d (displays disk I/O statistics).