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RHCSA Series: Editing Text Files with Nano and Vim / Analyzing text with grep and regexps – Part 4

Every system administrator has to deal with text files as part of his daily responsibilities. That includes editing existing files (most likely configuration files), or creating new ones. It has been said that if you want to start a holy war in the Linux world, you can ask sysadmins what their favorite text editor is and why.