yitz_ 1245683982 learn When you run a script, it can not affect the parent shell. If you want to affect the parent shell, use source. See ''help source'' yitz_ 1245684083 forget yitz_ 1245684101 learn When you run a script, it can not affect the parent shell. If you want to affect the parent shell, you need to source the script from the parent shell. See ''help source''