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How do I edit permissions of a folder/file as shown?

How do I edit permissions of a folder/file as shown?

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Can we do this with API?

still need help.

Hi there,

To change file/folder permissions you’ll want to use the chmod command:

chmod {options} filename

For example the below will grant the owner of the file (referenced by u) write permissions (referenced by +w) on the file example.txt:

chmod u+w example.txt

You can also use binary references to set file permissions for all users. For example the below will give the owner & group that the file belongs to permissions to read, write and execute (Read = 4, Write = 2, Execute = 1), whilst anyone else will only be able to read the file:

chmod 774 example.txt

The following link fully explains file permissions and the respective commands that can be used to control this: https://www.linux.com/learn/tutorials/309527-understanding-linux-file-permissions

Hope this helps!