Bitfields for shell flags:
Bit(s)	Description	)
 2	windowed
 5	Alt-Tab reserved
 6	Alt-Esc reserved
 7	Alt-Space reserved
 8	Alt-PrtSc reserved
 9	Alt-Enter reserved
 10	Alt-PrtSc reserved
 11	PrtSc reserved
 12	polling enabled
 13	no HMA
 14	has shortcut key
 15	locked EMS handles
 16	locked XMS handles
 17	fast paste enabled
 18	locked V86 memory
 30	close-on-exit enabled