Type the stack size number in the Retrieve command stack size field.
The size, in bytes, of the command stack that RETRIEVE command uses. ISPF uses the command stack to hold commands (stripped of leading and trailing blanks) and some ISPF internal information. A stack of 512 bytes holds approximately 20 commands with a length of 10 characters each. The value can be an integer from 312 to 4096.
The default is 512.
keyword RETRIEVE_COMMAND_STACK_SIZE