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#1
10-29-2003
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backup types
can anyone explain me difference between tar and ufsdump commands.............and also i wd like to know the difference between incremental and differential backup.........
thx in advance |
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#2
11-01-2003
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tar is used to create or extract an archives, a tar files always have .tar extension. you can extract from an archive tar file by
issuing tar xvf my_file.tar and you can create tar file by issuing tar cvf my_newfile.tar archive_this_file while ufsdump is used to backup all files or whole filesystem to a tape or another filesystem. you use ufsdump to create a full backup or an incremental backup to use ufsdump to create a full backup issue ufsdump ucf 0 /dev/rmt/0 /usr this will do a full backup of the /usr filesystem. An incremental backup, back's up modify file only while differential is just another type of incremental backup. |
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