Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [Y] [Z] others permissions output getting readable piping redirecting to files to multiple locations script with stderr standard overwriting files ownership and permissions about changing group association of files and directories ownership of files and directories permission defaults checking current permissions commands and flags for finding out which group you're in who owns files setting permissions 2nd translating mnemonic to numeric permissions |