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CLIST, or Command List, is a scripting language for IBM operating systems. Developed primarily for use with the ISPF (Interactive System Productivity Facility) component of z/OS and other mainframe operating systems, CLISTs are used to automate common tasks by issuing a sequence of system commands in response to user input. They can create simple batch processes and menu-driven applications within ISPF panels using its built-in utilities like file handling. The language evolved from EXEC 2 predecessor and is often used in conjunction with REXX on mainframes for more complex tasks.

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