Linux - Process Commands

This is Part 3 of the Linux CLI Commands series.

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Process Commands

top -- to check the current running processer
ps -- process states
ps -ef --to view all running processer
sar (system activity report) -- it show system information for every 10 min
kill -9 process_id -- to kill or stop a process
stat filename -- to check file information
sum filename -- to check file blockes
df -h -- check memory status (disk free space)
du -skh -- check a memory size for file or directory (disk usage)
vmstat -- virtual memory statistics
lscpu -- list out the number of cpu
lsof -- list out the open files
cat /var/log/messages -- is show error alert