NAME
  alias - define or display aliases

SYNOPSIS
  alias [alias-name[=string]...]

DESCRIPTION
  The alias utility shall create or redefine alias definitions or write the
  values of existing alias definitions to standard output. An alias definition
  provides a string value that shall replace a command name when it is
  encountered

OPERANDS
  alias-name         Write the alias definition to standard output.
  alias-name=string  Assign the value of string to the alias alias-name.

EXIT STATUS
  0   Successful completion.
  >0  One of the name operands specified did not have an alias definition, or an
      error occurred.