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Shell Scripting

Shell scripting lets users automate sequences of commands for execution in a Unix-like shell. It is used to program complex operations that would be time-consuming and error-prone to enter in a command-line prompt one by one. Shell scripts can manipulate files, start and kill processes, perform calculations, manage system settings, and interact with the user as well as other programs. Commonly used shells are Bash (Bourne Again SHell), CSH (C SHell), KSH (Korn SHell), TCSH (TSHELL) among others. The scripts often include loops, conditional statements, functions, command substitution and more of which both experienced systems administrators and newcomers utilize it's simplicity for writing basic or complex tasks alike to process text files or work with server configurations.

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