lhunath 1249396227 learn In bash, $ means "Expand"; it expands $parameters, $(commands) and $((arithmetics)). Remember you must *always* keep them "$quoted" or breakage is inevitable. lhunath 1254899803 forget lhunath 1254899939 learn In bash, $ means "Expand". It is NOT part of your variable name! You can expand "$variable" content, "$(command)" output or "$((arithmetic))" results.