How to modify permissions for a directory or file in linux

To view file permissions, you can use ls to view files. If you want to view file permissions, use "ls -l or ll"

to modify To modify file permissions, use the chmod command, such as "chmod 755 file\directory name"

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Modify the file directory. If it is a directory, you need to modify it and add -R recursion, such as "chmod x -R directory name"

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