Commodore Plus 4 - Page 127

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BASIC
COMMANDS
AUTO
AUTO [line* |
Turns on the automatic line numbering feature which eases Ihe |Ob of
entering programs by typing the line numbers for you. As you enter
each program line and press RETURN the next line number is
printed on the screen, with the cursor in position to begin typing that
line. The (line# | argument refers to the increment between line num
bers AUTO with NO ARGUMENT turns off auto line numbering, as
does RUN This statement is executable only in direct mode.
EXAMPLE
AUTO 10
AUTO 50
AUTO
automatically
numbers line in
increments of ten
automatically
numbers line in
increments of fifty
turns OFF automatic
line numbering
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BACKUP BACKUP Ddnv(}# TO Dc/nve# |, ON Uun//#|
This command copies all the files on a diskette to another diskette on
a dual drive system. You can copy onto a new diskette without first
using the HEADER command to format the new diskette because the
BACKUP command copies all the information on the diskette, in
cluding the format You should always BACKUP important diskettes in
case the original is lost or damaged.
Because the BACKUP command also HEADERS diskettes, it destroys
any information on the diskette onto which you're copying information.
So if you're backing up onto a previously used diskette, make sure it
contains no programs you wish to keep See also the COPY command.
NOTE This command can only be used with dual disk drives,
EXAMPLE.
BACKUPDO TO Dl
BACKUP DO TO Dl, ON U9
118
Copies all files from
the disk m drive 0 to
the disk in drive 1
Copies all files from
drive 0 to drive 1 in
disk drive unit 9