[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] & (ampersand) 2nd * (asterisk) 2nd ' (backquote) \ (backslash) 2nd ! (bang) /boot partition, creating {} (curly braces) $ (dollar sign) and shell variables . (dot) in filenames working directory ./ (dot-slash) " (double quote) / (forward slash) 2nd # (hash mark) 2nd .. (parent directory) | (pipe) 2nd less command and ? (question mark) > (redirection operator) < (redirection operator) > (redirection operator) &> (redirection operator) < (redirection operator) /root / (root directory) partition, creating ; (semicolon) ' (single quote) 2nd [ ] (square brackets) ~ (tilde) 2nd home directory and 1023 cylinder limit 2> (redirection operator) 2nd 2>& (redirection operator) |