V7/usr/man/man2/chown.2

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.TH CHOWN 2 
.SH NAME
chown \- change owner and group of a file
.SH SYNOPSIS
.B chown(name, owner, group)
.br
.B char *name;
.SH DESCRIPTION
The file
whose name is given by the null-terminated string pointed
to by
.I name
has its
.I owner
and 
.I group
changed as specified.
Only the super-user may
execute this call,
because if users were able to give files away,
they could defeat the (nonexistent)
file-space accounting procedures.
.SH "SEE ALSO"
chown(1), passwd(5)
.SH DIAGNOSTICS
Zero is returned if the owner is changed;
\-1 is returned
on illegal owner changes.
.SH ASSEMBLER
(chown = 16.)
.br
.B sys chown; name; owner; group