09-04-2005
compress & cpio commands
Our End of Day backup routine uses following script.
start End-of-day
compress $BASE TO /home/compdir
write /home/compdir to DATTAPE
end
where
$BASE=/home2/Rev83
DATATAPE=/dev/rmt/ctape1
write=cpio (not sure about parameters)
since I'm new to UNIX, i dont know how to restore data using cpio and i'm not sure about how compress works, Any one would plz. help me on these issues and also on how can i read data from the tape drive.?
Best Regards,
Tayyab
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CPIO(1) General Commands Manual CPIO(1)
NAME
cpio - copy files to and from archives
SYNOPSIS
cpio {-o|--create} [-0acvABLV] [-C bytes] [-H format] [-M message] [-O [[user@]host:]archive] [-F [[user@]host:]archive]
[--file=[[user@]host:]archive] [--format=format] [--message=message] [--null] [--reset-access-time] [--verbose] [--dot] [--append]
[--block-size=blocks] [--dereference] [--io-size=bytes] [--quiet] [--force-local] [--rsh-command=command] [--help] [--version] < name-list
[> archive]
cpio {-i|--extract} [-bcdfmnrtsuvBSV] [-C bytes] [-E file] [-H format] [-M message] [-R [user][:.][group]] [-I [[user@]host:]archive] [-F
[[user@]host:]archive] [--file=[[user@]host:]archive] [--make-directories] [--nonmatching] [--preserve-modification-time] [--numeric-uid-
gid] [--rename] [-t|--list] [--swap-bytes] [--swap] [--dot] [--unconditional] [--verbose] [--block-size=blocks] [--swap-halfwords] [--io-
size=bytes] [--pattern-file=file] [--format=format] [--owner=[user][:.][group]] [--no-preserve-owner] [--message=message] [--force-local]
[--no-absolute-filenames] [--sparse] [--only-verify-crc] [--to-stdout] [--quiet] [--rsh-command=command] [--help] [--version] [pattern...]
[< archive]
cpio {-p|--pass-through} [-0adlmuvLV] [-R [user][:.][group]] [--null] [--reset-access-time] [--make-directories] [--link] [--quiet] [--pre-
serve-modification-time] [--unconditional] [--verbose] [--dot] [--dereference] [--owner=[user][:.][group]] [--no-preserve-owner] [--sparse]
[--help] [--version] destination-directory < name-list
REPORTING BUGS
Report cpio bugs to bug-cpio@gnu.org
GNU cpio home page: <http://www.gnu.org/software/cpio/>
General help using GNU software: <http://www.gnu.org/gethelp/>
Report cpio translation bugs to <http://translationproject.org/team/>
SEE ALSO
cpio(5)
DESCRIPTION
GNU cpio is fully documented in the texinfo documentation. To access the help from your command line, type
info cpio
The online copy of the documentation is available at the following address:
http://www.gnu.org/software/cpio/manual
CPIO(1)