Changes

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

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

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

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