No matter what work you do with the Unix/Linux system, you will eventually write some C programs or shell (or perl) scripts. You may have also edit some of the system files at times. For all this you must learn to use an editor, and Unix provides a very versatile one — vi. Bill Joy … Read more
http://blog.eduguru.in/linux-2/the-vi-editor http://t4test.com/blog/unix-linux-shell-script-introduction-to-shell-scripting/ http://t4test.com/blog/cpio-a-backup-program/ http://t4test.com/blog/read-making-shell-script-interactive/ http://t4test.com/blog/root-system-administrator-super-user-part-1/ http://t4test.com/blog/etchosts-the-host-file/ VI editor VI operates in three modes for performing different functions. —-The Command Mode is used to enter commands that operates on text or control cursor motion. —-The Input Mode is used to enter text. —-The ex Mode (or last line mode) is used for line handling and substitution. … Read more