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FIG.8
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1989-02-22
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Figure 8. Sample DOS 4.0 "MEM /DEBUG" Output
Address Name Size Type
─────── ──────── ────── ──────
000000 000400 Interrupt Vector
000400 000100 ROM Communication Area
000500 000200 DOS Communication Area
000700 IBMBIO 002470 System Program
CON System Device Driver
AUX System Device Driver
PRN System Device Driver
CLOCK$ System Device Driver
A: - C: System Device Driver
COM1 System Device Driver
LPT1 System Device Driver
LPT2 System Device Driver
LPT3 System Device Driver
COM2 System Device Driver
COM3 System Device Driver
COM4 System Device Driver
002B70 IBMDOS 008890 System Program
00B400 IBMBIO 002FE0 System Data
0000C0 FILES=
000100 FCBS=
001F40 BUFFERS=
0001C0 LASTDRIVE=
000CD0 STACKS=
00E3F0 COMMAND 001640 Program
00FA40 IBMDOS 000030 -- Free --
00FA80 COMMAND 0000A0 Environment
00FB30 MEM 000040 Environment
00FB80 DOSED 000040 Environment
00FBD0 APPEND 001E20 Program
011A00 GRAPHICS 0014A0 Program
012EB0 MODE 0001E0 Program
0130A0 DOSED 000A20 Program
013AD0 INSTALL 000040 Environment
013B20 INSTALL 0005F0 Program
014120 CONFIRM 000040 Environment
014170 CAPTURE 0012F0 Program
015470 CONFIRM 0001C0 Program
015640 POP-CAL 000040 Environment
015690 PRN2FILE 0006F0 Program
015D90 PRN2FILE 001000 Data
016DA0 PUSHDIR 000300 Program
0170B0 POP-CAL 000700 Program
0177C0 SKM 000040 Environment
017810 SKM 007180 Program
01E9A0 MEM 012F60 Program
031910 IBMDOS 06E2E0 -- Free --
655360 bytes total memory
654336 bytes available
528976 largest executable program size
393216 bytes total extended memory
393216 bytes available extended memory