Task Control Block

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

Task Control Block

   <architecture> An {MVS} {control block} used to communicate
   information about {tasks} within an {address space} that are
   connected to an {MVS} subsystem such as {MQSeries} for
   {MVS/ESA} or {CICS}.

   FAQ
   
(http://www-4.ibm.com/software/ts/mqseries/library/manuals/csqfao/CSQFAO22.HTM).

   (2000-12-30)