Unix

This had been here for around two three decade which is nothing but an operating system that has robust feature specially design for a mainframe or mini computers where there will 100 to 1000 terminal users. This operating system has been written in c programming language. The environment we are going to use in in this set up has two modes. One graphical user interface mode which is quite common in windows and other is command mode where all the commands are type and executed in a single line. In unix there is kernel the core of the operating system and shells which help in excuting or intrepreting commands. Most often while using unix, we come through typing commands knowing there options as wells and writing shell scripts. Most what system administrator in unix does all the works of executing coammand, running shell scripts for maintennance and running other applications.

It is not hard to leran some skill of unix to be a system administartor.First one must be very thorough of an operating system unix environment ie learning unix commands, their options , scripts etc. These does not need any complicated mode of learning. Once one graspo the core component what operating is and its environment one can easily acquaint with unix.