shift
Shift positional parameters.
SYNTAX
      shift [variable]
  Without arguments, discards argv 
  and shifts the members of argv to the left. 
It is an error for argv not to be set or to have less than one word as value. With variable, performs the same function on variable.
"Discovery consists of seeing what everybody has seen and thinking what nobody has thought. Albert Szent-Gyorgyi
Related commands:
  
  set - Set a shell variable = value 
  setenv - Set an environment variable = value
  
  Equivalent BASH command:
  
  shift - Shift positional parameters.