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cpio, dd, and dump

Extract info

QuestionAnswer
Create a cpio archive (copy out mode) cpio -o
Extract files from a cpio archive (copy in mode) cpio -i
Overwrite an existing file cpio -u
Extract directories during an extraction cpio -d
Display archive contents without extracting files cpio -t
Copy files to a new archive (copy-pass mode) cpio -p
create a cpio archive of /myfiles (copy-out) ls ~/myfiles | cpio > myarchive.cpio
Extract files from myarchive.cpio archive (copy-in) cpio –iv < myarchive.cpio
Copy files from ~/copyme to ./newdir (copy-pass) ls ~/copyme | cpio -pvd ./newdir
Copy verbosely using cpio cpio -v
Back up the Master Boot record (MBR) to the /root directory using dd dd if=/dev/sda of=/root/file.mbr bs=512 count=1
Make a full backup using dump dump -o
Make an incremental backup using dump dump -1 to 9
Specify the number of Kilobytes per dump record using dump dump -b (max block size)
Specify the target using dump dump -f (location of target file)
Specify the compression level in range of 1 to 9 using dump dump -z (Compression level)
Created by: johnadream