Category: System Admin

Backing up data is a process of storing redundant copies of files and directories located on local disks on removable media, usually magnetic tapes. R…

What Is DNS DNS is a domain name recognition system for obtaining information about domain names. The domain name system is mainly used to find out th…

Spam. Spam is incessant; therefore, each responsible mail administrator should keep up with spam filtering methods based on their headers’ SMTP analys…