Changing permissions with chmod (numbers) Log in to get rid of this advertisement Hi, I am unsure how the following command #chmod 755 file, results in the permission rwxrxrx My understanding is that you have a 9 bit permission and you add up numbers (r=4, w=2, x=1)) to set each of the 3 parts of the permission (owner, group, and othersThe chmod command uses a threedigit code as an argument The sums of these numbers give combinations of these permissions 0 = no permissions whatsoever;The chmod system call cannot change their permissions
Linux File Permissions Chmod Umask Tutonics