20 GOSUB 500:COLOR 15,0:LOCATE 3,31:PRINT"HELPFUL DOS COMMANDS":COLOR 3,0
30 LOCATE 5,20:PRINT"Before proceeding with specific commands,":LOCATE 6,20:PRINT"it will be helpful for you to understand":LOCATE 7,20:PRINT"a few terms and concepts.":LOCATE 9,20:PRINT"FRAGMENTATION is a term used to describe
40 LOCATE 10,20:PRINT"a file that is `broken up' and resides on":LOCATE 11,20:PRINT"different parts of a diskette rather than":LOCATE 12,20:PRINT"intact in one place as it should be.":LOCATE 14,20:PRINT"There are TWO types of commands, INTERNAL
50 LOCATE 15,20:PRINT"and EXTERNAL. Internal commands are built":LOCATE 16,20:PRINT"into the command processor; and external":LOCATE 17,20:PRINT"commands reside on the DOS diskette.":LOCATE 19,20:PRINT"All of the commands on the next 2 screens
60 LOCATE 20,20:PRINT"(except `COPY') are external commands, so":LOCATE 21,20:PRINT"THEY ALL REQUIRE USE OF THE DOS DISKETTE!":GOSUB 340:IF BACKFLAG THEN 330
70 GOSUB 500:COLOR 15,0:LOCATE 3,31:PRINT"HELPFUL DOS COMMANDS":COLOR 3,0
80 LOCATE 5,8:PRINT"A>FORMAT B:/S":LOCATE 5,24:PRINT"You must put DOS onto all new diskettes that":LOCATE 6,24:PRINT"you want to use with your disk driven PC. With":LOCATE 7,24:PRINT"third party software, you must FORMAT a blank
90 LOCATE 8,24:PRINT"diskette BEFORE you can copy anything onto it.":LOCATE 10,24:PRINT"To FORMAT a new diskette, first insert the DOS":LOCATE 11,24:PRINT"diskette. Type FORMAT B:/S and press ENTER key.
100 LOCATE 13,24:PRINT"By using Format B:/S you will FORMAT and trans-":LOCATE 14,24:PRINT"fer the three system files to the new diskette.
110 LOCATE 16,8:PRINT"A>CHKDSK B:":LOCATE 16,24:PRINT"This command will tell you: 1) how many total":LOCATE 17,24:PRINT"bytes of storage are on the diskette, 2) how":LOCATE 18,24:PRINT"many bytes of storage that remain available,
120 LOCATE 19,24:PRINT"3) the number of files, 4) total bytes of PC":LOCATE 20,24:PRINT"memory, and 5) bytes of memory still available.":GOSUB 340:IF BACKFLAG THEN 20
130 GOSUB 500:COLOR 15,0:LOCATE 3,31:PRINT"HELPFUL DOS COMMANDS":COLOR 3,0
140 LOCATE 5,7:PRINT"A>DISKCOPY A: B:":LOCATE 5,24:PRINT"This command will produce a `carbon copy' of the":LOCATE 6,24:PRINT"diskette in drive A to the diskette in drive B.
150 LOCATE 8,7:PRINT"A>DISKCOMP A: B:":LOCATE 8,24:PRINT"This should be used after a diskcopy command. It":LOCATE 9,24:PRINT"will verify that the orginal was copied correctly.
160 LOCATE 11,7:PRINT"A>COPY A:*.* B:":LOCATE 11,24:PRINT"This command is slower than the diskcopy command,":LOCATE 12,9:PRINT" (Internal) but is useful because it copies all files sequen-
170 LOCATE 13,24:PRINT"tially and re-groups any FRAGMENTED files. This":LOCATE 14,24:PRINT"command can also be used to copy a single file by":LOCATE 15,24:PRINT"file name. Please refer to your DOS manual.
180 LOCATE 17,7:PRINT"A>COMP A:*.* B:":LOCATE 17,24:PRINT"Compares the copied diskette to the original on a":LOCATE 18,24:PRINT"file by file (ie: name by name) basis.":GOSUB 340:IF BACKFLAG THEN 70
190 GOSUB 500:COLOR 15,0:LOCATE 3,31:PRINT"HELPFUL DOS COMMANDS":COLOR 3,0
200 LOCATE 5,8:PRINT"A>DATE This command will set the date for new":LOCATE 6,24:PRINT"files and will appear in the directory.
210 LOCATE 8,8:PRINT"A>MODE[]:[],[] This command will set the mode for the":LOCATE 9,24:PRINT"printer or monitor.
220 LOCATE 11,8:PRINT"A>SYS B: Transfers the three DOS system files.
230 LOCATE 13,8:PRINT"A>TIME This command will allow you to set the":LOCATE 14,24:PRINT"Hours and Minutes used as the starting":LOCATE 15,24:PRINT"point on the internal clock.
240 LOCATE 18,24:PRINT"The MODE and SYS commands are EXTERNAL.":LOCATE 19,24:PRINT"They require the use of a DOS diskette.":GOSUB 340:IF BACKFLAG THEN 130
250 GOSUB 500:COLOR 15,0:LOCATE 3,31:PRINT"HELPFUL DOS COMMANDS":COLOR 3,0
260 LOCATE 5,8:PRINT"(batch) Executes a `batch' of files or a series of":LOCATE 6,24:PRINT"commands without re-entering each command.":LOCATE 7,24:PRINT"This will be done automatically and sequen-
270 LOCATE 8,24:PRINT"tially for all files with `.BAT' extensions.
280 LOCATE 10,8:PRINT"A>DIR Lists all filenames, the type of file and":LOCATE 11,24:PRINT"its extension (ie: .com, .bas, .exe, .bat),":LOCATE 12,24:PRINT"the size of the file in bytes, and also the
290 LOCATE 13,24:PRINT"date that the file was created.
300 LOCATE 15,8:PRINT"A>ERASE Deletes a file from diskette. You must use":LOCATE 16,24:PRINT"the complete filename and its extension.
320 LOCATE 20,24:PRINT"These are INTERNAL commands. They DO NOT":LOCATE 21,24:PRINT"require the use of your DOS diskette.":GOSUB 340:IF BACKFLAG THEN 190
330 CHAIN"MENU1.001",5000
340 BACKFLAG=0:LOCATE 24,12:COLOR 15,0:PRINT"Strike Any Key To Continue Strike <F1> For Previous Page";:COLOR 3,0
350 DEF SEG:POKE 106,0:IF INKEY$<>"" THEN 350
360 Z=INKEY$:IF Z="" THEN 360
370 IF LEN(Z)>1 THEN IF RIGHT$(Z,1)=";" THEN BACKFLAG=1