Supported POSIX VariablesPOSIX → VariablesAll built-in POSIX shell script variables supported by BashSupport Pro.$-$!$?$@$*$#$$$0$1$10$2$3$4$5$6$7$8$9$ENV$HOME$IFS$LANG$LC_ALL$LC_COLLATE$LC_CTYPE$LC_MESSAGES$LC_NUMERIC$LC_TIME$LINENO$NLSPATH$PATH$PPID$PS1$PS2$PS4$PWD