=== ALL USERS PLEASE NOTE ========================

JCL support as alternative to system menu.

In our continuing effort to support languages other than LISP on the CADDR,
we have developed an OS/360-compatible JCL. This can be used as an
alternative to the standard system menu. Type System J to get to a JCL
interactive read-execute-diagnose loop window. [Note that for 360
compatibility, all input lines are truncated to 80 characters.] This
window also maintains a mouse-sensitive display of critical job parameters
such as dataset allocation, core allocation, channels, etc. When a JCL
syntax error is detected or your job ABENDs, the window-oriented JCL
debugger is entered. The JCL debugger displays appropriate OS/360 error
messages (such as IEC703, "disk error") and allows you to dequeue your job.