Uses SSH and Apache modules and Linux has its own mail client servers far from Microsoft's simple standardized email program, Outlook or Outlook Express. Linux consists of the kernel, system library, system utility, hardware, and shell. The kernel is the central part of Linux. The kernel consists of various modules and interacts directly with the hardware to provide process control, networking, peripheral access, and file systems. It is responsible for all major system activities. Most Linux drivers such as print server, CUPS and Xorg graphics server are generally part of the kernel. Xorg is an implementation of the X Windows system developed by MIT in 1984 that provides services based on the request of clients running from the server locally or remotely. It manages input devices and the display of colors and fonts by communicating over the network via the X protocol, a network protocol capable of