Usage: takeown [options] <files>
Options:
 -D, --debug               debug
 -v, --verbose             verbose
 -n, --dry-run             dry run
 -R, --recursive           recurse into directories
 -w, --active-write-test   active write test if access(2) reports writable
 -W, --active-write-test-only   active write test regardless of access(2), default is access(2) only
 
 -i, --ignore              ignore failures on files given in command arguments
 -b, -I, --best-effort     ignore any failure while recursing (force -i -T)
 -C, --no-cleanup          keep *.takeown files on failure
 
 -T, --no-strict           attempt but do not requisite file attribute preservation (default)
 -M, --no-strict-chmod     ignore unpreserved permission modes
 -G, --no-strict-chgrp     ignore unpreserved group owner
 -A, --no-strict-setfacl   ignore unpreserved ACL
 -X, --no-strict-setfattr  ignore unpreserved extended attributes
 
 -t, --strict              fail if can not preserve file attributes
 -m, --strict-chmod        requisite preserved permission modes
 -g, --strict-chgrp        requisite preserved group owner
 -a, --strict-setfacl      requisite preserved ACL
 -x, --strict-setfattr     requisite preserved extended attributes
 --no-chgrp                do not chgrp at all

Exit code:
 0    all operations succeeded
 1+   error happended during progress, even it was ignored