tional parameters.
echo ${@:2} # Same as above.
echo ${*:2:3} # Echoes three positional ... ll or not set
== NOTE ==
The colon (:) in the above operators can be omitted. Doing so changes the be... a logical complement to the ${var:-value} we saw above.
${#variable}
Return the length of the variab... ....\)'` # abcABC1
# All of the above forms give an identical result.
expr match "
