Index
Note: Only variables that must always appear with a leading dollar sign are indexed with a leading dollar sign. Other variables are indexed without a leading dollar sign.
Symbols
! Boolean operator, 293, 588, 592, 650
! variable, 300
!! to reexecute the previous event, 300
!$ last word of the previous event, 302
# prompt, 428
# variable, 564
#! to choose a script shell, 267
#define C preprocessor directive, 480
#include C preprocessor directive, 482
$ in regular expressions, 900
$ in variable name, 280
$! variable, 563
$#argv variable, 358
$$ variable, 362, 368, 550, 562
$(...). See Command, substitution
$, use with variables, 353
$< variable, 358
$? variable, 358,
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