000-221 · Question #47
Why would the 'bffcreate -d /dev/cd0 -t/tmp/images all' command be run?
The correct answer is A. To create installation or update images of all software packages from media in /dev/cd0. The bffcreate command creates BFF (Backup File Format) installation images from source media into a target directory. Here it reads all packages from the CD-ROM device and writes image files to /tmp/images.
Question
Why would the 'bffcreate -d /dev/cd0 -t/tmp/images all' command be run?
Options
- ATo create installation or update images of all software packages from media in /dev/cd0
- BTo install all software packages from the media in /dev/cd0 that have prerequisites met on the system
- CTo make a file in /tmp/images that lists all of the software packages on media in /dev/cd0
- DTo make a copy of all software in /tmp/images and store onto the writable media in /dev/cd0
How the community answered
(34 responses)- A82% (28)
- B9% (3)
- C3% (1)
- D6% (2)
Why each option
The bffcreate command creates BFF (Backup File Format) installation images from source media into a target directory. Here it reads all packages from the CD-ROM device and writes image files to /tmp/images.
The bffcreate command is designed to create BFF installation or update images from a specified source device. The -d flag designates the source device (/dev/cd0, the CD-ROM), the -t flag designates the target directory (/tmp/images), and 'all' instructs the command to process every available software package, producing installable image files in /tmp/images.
Installing packages is performed by installp or smitty, not bffcreate, which only creates image files rather than installing software onto the system.
bffcreate does not produce a text listing or manifest; it creates actual BFF binary image files suitable for later installation.
bffcreate reads from the source device to produce images in the target directory, not the reverse; it cannot write software back onto read-only CD-ROM media.
Concept tested: AIX bffcreate command for creating installation images
Source: https://www.ibm.com/docs/en/aix/7.3?topic=b-bffcreate-command
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