5 \fBchown [\fB\-R\fR] \fIowner\fR[:\fIgroup\fR] \fIfile\fR ...\fR
20 # Change directory hierarchies
23 .B chown ast file1 file2
24 # Make \fIast\fR the owner of the files
26 .B chown \-R ast:other dir
27 # Change the owner and group of all files in dir
30 The owner field (and optionally group field) of the named files is changed
33 (i.e., login name specified) and
35 Alternatively, a decimal uid(gid) may be specified instead of a user name.
36 Only the superuser may execute this command.