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[http://www.rpm.org/max-rpm/rpm.8.html rpm]<br>

[http://man7.org/linux/man-pages/man8/yum.8.html yum]

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

[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/route.8.html route]<br>

[http://linux.die.net/man/1/nslookup nslookup]<br>

[http://unixhelp.ed.ac.uk/CGI/man-cgi?grep grep]<br>