PC DOS 2.00 was released in March 1983.
Directory Listings of the two 360Kb distribution diskettes, Documentation, and Feature Summary are provided below.
[PCjs Machine "ibm5160-pcdos200"]
Waiting for machine "ibm5160-pcdos200" to load....
Directory of PC DOS 2.00 (Disk 1)
Volume in drive A has no label
Directory of A:\
IBMBIO COM* 4608 3-08-83 12:00p
IBMDOS COM* 17152 3-08-83 12:00p
COMMAND COM 17664 3-08-83 12:00p
ANSI SYS 1664 3-08-83 12:00p
FORMAT COM 6016 3-08-83 12:00p
CHKDSK COM 6400 3-08-83 12:00p
SYS COM 1408 3-08-83 12:00p
DISKCOPY COM 2444 3-08-83 12:00p
DISKCOMP COM 2074 3-08-83 12:00p
COMP COM 2523 3-08-83 12:00p
EDLIN COM 4608 3-08-83 12:00p
MODE COM 3139 3-08-83 12:00p
FDISK COM 6177 3-08-83 12:00p
BACKUP COM 3687 3-08-83 12:00p
RESTORE COM 4003 3-08-83 12:00p
PRINT COM 4608 3-08-83 12:00p
RECOVER COM 2304 3-08-83 12:00p
ASSIGN COM 896 3-08-83 12:00p
TREE COM 1513 3-08-83 12:00p
GRAPHICS COM 789 3-08-83 12:00p
SORT EXE 1280 3-08-83 12:00p
FIND EXE 5888 3-08-83 12:00p
MORE COM 384 3-08-83 12:00p
BASIC COM 16256 3-08-83 12:00p
BASICA COM 25984 3-08-83 12:00p
25 file(s) 143469 bytes
31232 bytes free
Directory of PC DOS 2.00 (Disk 2)
Volume in drive A has no label
Directory of A:\
EXE2BIN EXE 1664 3-08-83 12:00p
LINK EXE 39936 3-08-83 12:00p
DEBUG COM 11904 3-08-83 12:00p
ART BAS 1920 3-08-83 12:00p
SAMPLES BAS 2304 3-08-83 12:00p
MORTGAGE BAS 6272 3-08-83 12:00p
COLORBAR BAS 1536 3-08-83 12:00p
MUSIC BAS 8704 3-08-83 12:00p
DONKEY BAS 3584 3-08-83 12:00p
CIRCLE BAS 1664 3-08-83 12:00p
PIECHART BAS 2304 3-08-83 12:00p
SPACE BAS 1920 3-08-83 12:00p
BALL BAS 2048 3-08-83 12:00p
COMM BAS 4352 3-08-83 12:00p
14 file(s) 90112 bytes
87040 bytes free
Documents
Feature Summary
New features:
- Subdirectory support
- Volume label support
- Device driver support (device driver command codes 00h-0Ch)
- File handle support
- I/O redirection support
- Simple memory management and MCBs
- Environment variables (COMMAND.COM uses COMSPEC, PATH and PROMPT)
- BIOS parameter block (BPB) support
- 180KB single-sided and 360KB double-sided floppy disk support
- Hard disk support up to 10MB (FAT12: partition type 01h)
- File attributes: volume label (08h), subdirectory (10h) and archive (20h)
- Zero byte indicates end of directory to speed up searches
- Print spooler
- Internal block device driver for disks
- Parent PSP segment, job file table and environment segment added to PSP
- Current directories are appended to each DPB
- SYSVARS and SFT structures
- Disk buffering
New CONFIG.SYS commands:
- AVAILDEV
- BREAK
- BUFFERS
- DEVICE
- FILES
- SHELL
- SWITCHAR
New internal commands:
- BREAK
- CHDIR (CD)
- CLS
- CTTY
- ECHO
- EXIT
- FOR
- GOTO
- IF
- MKDIR (MD)
- PATH
- PROMPT
- RMDIR (RD)
- SET
- SHIFT
- VER
- VERIFY
- VOL
New external commands:
- ASSIGN
- BACKUP
- FDISK
- FIND
- GRAPHICS
- MORE
- RECOVER
- RESTORE
- SORT
- TREE
New internal character devices:
- AUX
- CLOCK$
- COM1
- COM2
- CON
- LPT1
- LPT2
- LPT3
- NUL
- PRN
New device drivers:
- ANSI.SYS
New functions:
- INT 21h functions 2Fh-57h
- INT 21h function 4Bh (execute or load program) implemented in COMMAND.COM
- INT 25h, INT 26h, INT 27h now implemented in the DOS kernel
- INT 28h idle call
- INT 29h fast console output
- INT 2Eh reload transient (COMMAND.COM)
- INT 2Fh PRINT support