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To remove world read permission from a file you would type chmod o-r [filename]. To remove group read and execute permission while adding the same permission to world you would type chmod g-rx,o+rx [filename]. To remove all permissions for group and world you would type chmod go= [filename].
How do I turn off read only mode in Linux?
To change directory permissions in Linux, use the following: chmod +rwx filename to add permissions. chmod -rwx directoryname to remove permissions.
How do I change a read only file in Linux?
How to edit a read only file in Linux ?
- Log on to a root user from the command line. type the command su.
- Enter the root password.
- Type gedit (to open a text editor) followed by the path of your file.
- Save and Close the file.
