What do r w x represent in Linux?

In Linux, r w Extract the files and subdirectories in the directory; 2. "w", for files, w means that the files can be edited, modified or deleted; for directories, w means that files and subdirectories can be created, deleted or renamed in the directory. Directory; 3. "x". For files, x means that the file can be executed, and for directories, x means that the directory can be entered.

The operating system of this tutorial: Linux5.18.14 system, Dell G3 computer.

In Linux, r, w, x are abbreviations for file or directory permissions. The specific meanings are as follows:

1. r (read permission): for files Say, r means that the contents of the file can be read; for a directory, r means that the files and subdirectories in the directory can be listed.

2. w (write permission): For files, w means that the file can be edited, modified or deleted; for directories, w means that the file can be created, deleted or deleted in the directory. Rename files and subdirectories.

3. x (execution permission): For a file, x means that the file can be executed (such as an executable program); for a directory, x means that the directory can be entered (cd) .

These permissions are used to control user access, editing, and execution of operations on files and directories. Each file or directory has an owner, a group and other users, corresponding to their respective permission settings.

Use the chmod command to change the permissions of a file or directory. For example, "chmod u x file.txt" will add execute permissions to the owner of the file file.txt.

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