#!/bin/bash
# unset.sh: º¯¼ö¸¦ ¾ð¼ÂÇϱâ.

variable=hello                       # ÃʱâÈ­.
echo "variable = $variable"

unset variable                       # ¾ð¼Â.
                                     # variable=   ¶ó°í ÇÏ´Â °Í°ú µ¿ÀÏ
echo "(unset) variable = $variable"  # $variable ´Â ³Î.

exit 0