Ps-a,job,netstat,daemons

Kill -9 is mandatory-15 is normal after execution

The data in the process is written to the/proc/* directory.

Process

Ps-l Aux-la ZXJF (Process tree)

Job

Command Add & back to Background

VI Mode CTRL + Z is placed in the background and paused (stopped)

FG%number to the front desk

BG%number in the background and running

Network Information

netstat -TULP-LNP

Daemons

/etc/init.d/* where to place the startup script

It looks like there's a super daemon in the/etc/xinetd.conf on CentOS.

Ps-a,job,netstat,daemons