Backup excluding specified files

The following command performs a level-0 backup of the /vol/vol1 volume, but excludes the files that meet certain requirements:

dump 0ufX rst0a tmp,*.o,core*,*backup*, /vol/vol1

The elements of this command line are described in the following table.

Element	Meaning
`0`	Do a full backup.
`u`	Record the backup in the /etc/dumpdates file.
`f`	A tape device is supplied in the command line.
`X`	An exclude list is specified.
`rst0a`	The tape drive rewinds.
`tmp,.o,core,backup`	The exclude list specifies files as follows: `tmp` specifies that the file name is tmp. `.o` specifies that the file name ends in `.o` (for example, program.o). `core` specifies that the file name begins with the core string (for example, core.small). `backup` specifies that the file name contains the `backup` string (for example, spec.backup.1).
`/vol/vol1`	This is the volume to be backed up.