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 .
There are lot of network monitoring tools available in market today. We use network monitoring tools to monitor our network. If any network component became slow or failed , network monitoring tools notify us about that problem (via email, sms or other alarm).
The main advantage of linux is , you can work on both graphical and through command line. Linux distribution have long been used as Server operating system. But the popularity of Linux on standard desktop computers and laptops has been increasing over the years.
Linux has great features through which you can easily hide your files and directories. To hide files and directories through terminal , we have to just append a dot [.] at the start of the name as follows using the mv command.
Backup refers to copying of files or database of a computer data so it may be used to restore original after data loss event. we make backup of computer data so that if the computer will corrupt , we can restore data from backup files.
Booting is the process or set of operation that loads and hence start the operating system, starting from the point when user switches on the power button. A boot loader is a computer program which load operating system and other software .
Linux is free and open source software operating system. Operating system is a program which is used to run and manage electronic parts of computer system allow to run application program. We can change the source code of Linux operating system according to our requirement.