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] [Z] GCC global replacement global vim configuration files globbing file systems character ranges check completion customizing completion escape characters extended matching one character pattern matching operators scale command setting shell options star find command locate command GLOBIGNORE variable GNU Project, multi-letter command options graphical-based text editors configuration TextEdit application TextWrangler grep command -exec primary sed stream editor grep filtering group commands, subshells groups 2nd 3rd adding user commands file details information display listing ownership changes creating new defaults deleting finding files removing user shell change groups command gunzip command 2nd gzcat command gzip command |