`

`

ri

 --------------------------------------------------------------- Kernel#`
      `cmd`    => string
 ------------------------------------------------------------------------
      Returns the standard output of running _cmd_ in a subshell. The
      built-in syntax  %x{...}  uses this method. Sets  $?  to the
      process status.
 
         `date`                   #=> "Wed Apr  9 08:56:30 CDT 2003\n"
         `ls testdir`.split[1]    #=> "main.rb"
         `echo oops