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Major changes in version 2.3:
* in newc and crc format archives, only store 1 copy of multiply linked files
* handle multiply linked devices properly
* handle multiply linked files with cpio -pl even when the source and
destination are on different file systems
* support HPUX Context Dependent Files
* read and write HPUX cpio archives
* read System V.4 POSIX tar archives and HPUX POSIX tar archives
* use rmdir, instead of unlink, to delete existing directories
Major changes in version 2.2:
* handle link counts correctly when reading binary cpio archives
* configure checks for some libraries that SVR4 needs
Major changes in version 2.1:
* cpio can access remote non-device files as well as remote devices
* fix bugs in the MS-DOS port
* add --swap equivalent to -b option
Version 2.0 adds the following features:
Support for the SVR4 cpio formats, which can store inodes >65535, and
for traditional and POSIX tar archives. Also adds these options:
-A --append append to instead of replacing the archive
-V --dot print a dot for each file processed
-H --format select archive format
-C --io-size select I/O block size in bytes
-M --message print a message at end of media volumes
--no-preserve-owner don't change files' owners when extracting
-R --owner set files' owners when extracting
-E --pattern-file list of shell filename patterns to process
-s --swap-bytes handle byte-order differences when extracting files
-S --swap-halfwords ditto
-b like -sS
-I input archive filename
-k recognize corrupted archives (we alawys do it, though)
-O output archive filename
Some options of previous versions have been renamed in 2.0:
--binary was replaced by --format=bin
--portability was replaced by --format=odc
Some options have changed meaning in 2.0, for SVR4 compatibility:
-O used to select the binary archive format, now selects the output file
-V used to print the version number, now prints a dot for each file
Version 2.0 also fixes several bugs in the handling of files with
multiple links and of multi-volume archives on floppy disks.
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