HP 3000 Manuals

HP SYSTEM DICTIONARY XL UTILITIES-Part 3 SDVPD

Control Y Handling 

[[CONTROL]] Y is enabled in session mode when any of the following is
true:

 *  When SDVPD is expecting a command

 *  When SDVPD is in the REDO command

 *  When SDVPD is displaying HELP messages

If [[CONTROL]] Y is entered, SDVPD displays:

     < Control Y >

and reissues the first level command prompt (>).  Once the loading
process starts, [[CONTROL]] Y is disabled until the completion of the
loading.

MPE/iX 5.0 Documentation