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To me, vi is Zen.
To use vi is to practice zen.
Every command is a koan.
Profound to the user,
unintelligible to the uninitiated.
You discover truth every time you use it.
#2: Replacing same text in multiple files * Difficulty: Intermediate * Application: find/Perl If you have text you want to replace in multiple locations, there are several ways to do this. To replace the text Windows with Linux in all files in current directory called test[something] you can run this: perl -i -pe 's/Windows/Linux/
Unix Operating System (OS) Tutorial - Learning fundamentals of UNIX in simple and easy steps : A beginner's tutorial containing complete knowledge of Unix Korn and Bourne Shell and Programming, Utilities, File System, Directories, Memory Management, Special Variables, vi editor, Processes