& (ampersand) for background processes, 206
* (asterisk) wildcard, 109, 110–111, 122–123
@ (at sign) for canceling commands, 29, 31
^ (caret)
as C shell magic character, 26, 113
in
stty command parameters, 117
$ (dollar sign) shell prompt, 24, 25
! (exclamation point) for reissuing commands, 26, 30, 112–113
> (greater than sign)
for appending output (>), 105
for redirecting output, 104
< (less than sign) for redirecting input, 105
% (percent sign) shell prompt, 24, 25
. (period)
as
grep command wildcard, 126
hiding files with, 83
not ending commands with, 31
for parent directory (..), 98–99
for working directory, 98
| (pipe symbol), 104, 105. See also pipes
# (pound sign) for comments, 116
? (question mark) wildcard, 109–110, 122–123
“ (quotation marks) in commands, 31
‘ (single quotation marks) in commands, 31
/ (slash)
as C shell magic character, 26
for root directory, 93
in UNIX pathnames, 92–94
* (star) wildcard, 109, 110–111, 122–123
three-button versus two-button mouse, 52
three-digit error messages, 341
three-digit numbers with FTP, 284