BACKUP
$/CMD:0
:1
(ENTER)
copies
all
visible files with the extension ICMD from Drive 0 to Drive
1.
If the file already exists
on
Drive 1 it
is
overwritten. No other files
on Drive 1 are touched. A backup by class
is
performed.
BACKUP
/$$S:
1 : 2
(ENTE])
backs up all files whose extensions are three characters long and end
with the letter
S.
The $ wildcard masks the first two characters of the
extension, so extensions such
as
IBAS, ITSS, and ITRS form a
match. A backup by class
is
performed.
BACK
UP:
1 : 1
(ENTER)
backs up between two disks
in
Drive
1.
You are prompted to switch
the source disk and destination disk at the appropriate times.
The disks used
in
this type of backup must allow a mirror image
backup, or the backup aborts.
This command and the following command could be used to back up
a data disk.
BACK
UP:
0 : 1 ()-()
(ENTEfJ)
backs up the disk
in
Drive 0 to the disk
in
Drive
1.
Its main use is to
back up non-system disks, such as data disks,
in
a two-drive system.
When you use this parameter, you are prompted to insert the proper
disk
in
Drive
0.
You may
be
prompted to re-insert a system disk into
Drive
0 during certain backups.
When the backup
is
complete, you are prompted to insert a system
disk back
in
Drive
0.
BACKUP
-/CMD:0
:1
(ENTER)
backs up
all
visible files from Drive 0 to Drive
1,
EXCEPT those files
that have a
ICMD extension. A backup by class
is
performed.
BACKUP : 1 : 2 (NEW
,QUERY=YES)
(ENTER)
backs up only those visible files from Drive 1 that do not already exist
on Drive
2.
You are prompted before each file is moved.
BACKUP
/ASM:3
:2
(DATE=105/0B/82-05/10/82")
(ENTER)
backs up all visible files with the extension IASM, whose modify dates
fall on or between the specified dates.
Error Conditions
The destination disk must be formatted before the backup
begins. To format a disk, see the FORMAT command.
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