diff options
Diffstat (limited to 'doc/cpio.1')
-rw-r--r-- | doc/cpio.1 | 10 |
1 files changed, 9 insertions, 1 deletions
@@ -13,7 +13,7 @@ .\" .\" You should have received a copy of the GNU General Public License .\" along with GNU cpio. If not, see <http://www.gnu.org/licenses/>. -.TH CPIO 1 "January 29, 2014" "CPIO" "GNU CPIO" +.TH CPIO 1 "January 30, 2014" "CPIO" "GNU CPIO" .SH NAME cpio \- copy files to and from archives .SH SYNOPSIS @@ -182,6 +182,14 @@ files differently). In copy-in and copy-pass mode, set the ownership of all files created to the specified \fIUSER\fR and/or \fIGROUP\fR. In copy-out mode, store the supplied owner information in the archive. + +\fIUSER\fR and \fIGROUP\fR are first looked up in the system user and +group databases. If not found, \fBcpio\fR checks if they consist of +decimal digits only and, if so, treats them as numeric UID and GID, +correspondingly. + +To avoid the lookup and ensure that arguments are treated as numeric +values, prefix them with a plus sign, e.g.: \fB-R +0:+0\fR. .TP .B \-\-quiet Do not print the number of blocks copied at the end of the run. |