for { <variable_name> } in { <list of variable> } do <commands> done
echo "Using for loop method... " for i in 1 2 3 4 5 6 7 8 9 10 do echo -n "$i " done echo ""
while [ <condition> ] do <command1> <command2> done
while [ $n -gt 0 ] do f=`expr $f \* $n` n=`expr $n - 1` done