.TH ZS 6 "June 2016" "Manual page for zs" .SH NAME .B zs \- prepend occurences of "s" with "z", case-appropriately .SH USAGE .B zs /usr/share/dict/words .SH DESCRIPTION .B zs prepends the letter "Z" or "z" as appropriate to instances of the letter "S" or "s" in its standard input. .SH AUTHOR Tom Ryder