Job Control Language (JCL) is a scripting language used on IBM mainframe operating systems to instruct the system on how to run a batch job or start a subsystem. There are actually two IBM JCLs: one for the operating system lineage that begins with DOS/360 and whose latest member is z/VSE; and the other for the lineage from OS/360 to z/OS. They sh... Photographed by Andrew Bellis The gates of the Royal Grammar School, Newcastle. ...
[n] - a problem-oriented language used to describe job requirements to an operating system
noun a problem-oriented language used to describe job requirements to an operating system
a language used to construct statements that identify a particular job to be run and specify the job's requirements to the operating system under which it will run. Abbr.: JCL