Ubuntu is an open source operating system that based on Debian architecture . The main advantages of virtual machine is that you can run multiple operating systems on virtual machine without having to change what’s on your computer right now .
MySQL is a relational database management system (RDBMS) . It is an open-source software to manage databases . It is written in C and C++ . It is created by MySQL AB . It is very popular in all over world .
MySQL is open source relational database management system. It is the world’s most popular database management system. It is ideal for both small as well as large application. It is written in C and C++ .
The main advantage of vim is , you have lot of option to edit your file. There are lot of command option in vim editors. Many options are also available in other editors. Uses of editors depend on users choices.
SAR (System Activity Report) is an very important unix monitoring command used to report performance of various Linux subsystem in real time. Using SAR you can generate report of your system performance statics on regular basis and store it for analysis .