SYNOPSIS
      xhead <-#> <file>
      or
      xhead <-#>    (when reading from a pipe)

DESCRIPTION
      xhead prints the first part of a given file; It reads from a pipe
      if no file is given. If no num <#> is given, 0 is assumed.

EXAMPLES
      xhead -10 workroom.c prints the first 10 lines of the file workroom.c.
