The chmod command is a computing command used in the Linux operating system. The command stands for “change mode” and allows users to change the permissions of files and directories. Three types of permissions can be set: read, write, and execute. Read permission allows a user to view the contents of a file; write permission allows a user to edit or delete a file; execute permission allows a user to run a file as a program. The chmod command is used with a numeric code corresponding to the desired permissions to set permissions. For example, the code “777” would give all three permissions to all users. The chmod command is an integral part of computing in the Linux environment and is essential for securely managing files and directories.
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