dcl

from The Free On-line Dictionary of Computing (8 July 2008)

DCL

   1. DIGITAL Command Language.  The interactive command and
   scripting language for VAX/VMS.

   2. Delphi Common LISP.  An implementation of Common LISP that
   has been used as a basis for CLOS.

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

DCL
       Data Center Linux (Linux, OSDL)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

DCL
       Data Control Language

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

DCL
       Digital Command [scripting] Language (DEC, VMS)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

DCL
       DEC Control Language (DEC)