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] [X] [Y] [Z] & (ampersand) ex < > (angle brackets) ex * (asterisk) passwords set to quoting or escaping in passwd entries @ (at) ex ! (bang) ex = (equals) ex % (percent) bash job ID argument |