[http://man7.org/linux/man-pages/man1/ps.1.html ps]<br>

[http://man7.org/linux/man-pages/man8/lsblk.8.html lsblk]<br>

[http://man7.org/linux/man-pages/man8/ifconfig.8.html ifconfig]<br>

[http://man7.org/linux/man-pages/man8/netstat.8.html netstat]<br>