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Linux Ninja Tux

Chmod explained – Linux file permissions for beginners

If you have spent any time dealing with Linux based web hosting then you will almost certainly had encountered the term chmod. Chmod is a linux command and is an abbreviation of change mode. Chmod explained – Understanding permissions The mode is described by three or four octal (0 to 7) digits e.g. 0000 to […]


The Domain Name System Explained

Domain Name System DNS Explained – A brief history Computers that are attached to the internet are each identified by unique IP addresses in order that messages can be routed correctly between them. IP addresses are numeric in nature (e.g., and are rather like telephone numbers insofar that they are not particularly easy to […]