convert compressed files to gzipped files
utility uncompresses files
and recompresses them with
The options are as follows:
- Overwrite existing ‘.gz’ files. Unless this option is
znew refuses to overwrite
- Test integrity of the gzipped file before deleting the original file. If
the integrity check fails, the original ‘.Z’ file is not
- Print a report specifying the achieved compression ratios.
- Use the -9 mode of
achieving better compression at the cost of slower execution.
- Keep the original ‘.Z’ file if it uses less disk blocks than
the gzipped one. A disk block is 1024 bytes.
utility tries to maintain the file
mode of the original file. If the original file is not writable, it is not
able to do that and
will print a