linux chmod

Linux chmod?

chmod?

chmod [-chmod] [mode] file: ?mode?

u+rwx:

g+rwx: ?

o+rwx:

a+rwx: ?

x+rwx: ?x

chmod [-R] [-v] [-f] [-p] file: ?-R?-v?-f-p?

example.txt

chmod 444 example.txt

444?