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] abbreviations for permissions absolute names accessing man pages Unix alias command 2nd aliases for email alternative editors anonymous ftp: command appending output to existing file apt archiving files about 2nd zipping while asterisk (*) as placeholder 2nd function as regular expression at command deleting scheduled jobs flags for scheduling one-time jobs with sequential one-time jobs with awk command changing files with embedding scripts in shell flags for |