Jun Wu's Blog

                           Leetcode.cn                +           leetcode.com

This blog is the summay of major DCL syntax/command/example (when I am a green hand to the OpenVMS and DCL). OpenVMS is an interactive virtual memory operating system (Mainly for high availablity server, https://en.wikipedia.org/wiki/OpenVMS ).  The DIGITAL Command Language (DCL) is a set of English-like instructions that tell the operating system to perform specific operations. DCL provides you with over 200 commands and functions to use in communicating with the operating system to accomplish computing tasks. DCL commands let you do the following: • Get information about the system • Work with files • Work with disks, magnetic tapes, and other devices • Modify your work environment • Develop and execute programs • Provide security and ensure that resources are used efficiently Symbol Assignment statement (= or ==) String assignment (:= or :==) Local symbols are accessible from the current command level and from command procedures executed from the current command level. $ SS = &quo