Linux view process, clean cache, view disk space, view broadband commands

First, review the process

View all process commands: PS

View the specified process command: ps-ef|grep Java (Java refers to the service name)

End Process command: kill-9 9028 (9028 refers to PID)

Second, clean up the cache

To view cached commands: free-m

To clean up cached commands:

Echo 1 >/proc/sys/vm/drop_caches

Echo 2 >/proc/sys/vm/drop_caches

Echo 3 >/proc/sys/vm/drop_caches

Third, view disk space

Df-h

Four, view broadband

Sar-n DEV 3 1000

Linux view process, clean cache, view disk space, view broadband commands