OS Manuals

/usr/bin/zck_read_header

A file format designed for highly efficient deltas while maintaining good compression

From zchunk 1.5.5-r2 (enterprise-packages), captured 2026-11-08 by running zck_read_header --help (exit 0). permalink

Usage: zck_read_header [OPTION...] <file>
zck_read_header - Read header from a zchunk file

  -c, --show-chunks          Show chunk information
  -f, --verify               Verify full zchunk file
  -q, --quiet                Only show errors
  -v, --verbose              Increase verbosity (can be specified more than
                             once for debugging)
  -?, --help                 Give this help list
      --usage                Give a short usage message
  -V, --version              Show program version
Options (7)
OptionDescriptionSource
-c, --show-chunksDisplay information about the individual chunks, too.help + man
-f, --verifyInstead of only reading the zchunk file's header, read the whole file and verify its integrity.help + man
-q, --quietOnly show errorshelp + man
-v, --verboseIncrease verbosity (can be specified more than once for debugging)help + man
-?, --helpDisplay program usage information and exit.help + man
--usageDisplay brief program usage information and exit.help + man
-V, --versionDisplay program version information and exit.help + man
Exit status (1) from the manual page
0success

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.