.SH ERRORS
.TP
.B EINVAL
-.I Sig
+.I sig
is not a valid signal number.
.TP
.B EPERM
function call first appeared in 4BSD), POSIX.1-2001.
.SH NOTES
There are various differences between the permission checking
-in BSD-type systems and System V-type systems.
+in BSD-type systems and System\ V-type systems.
See the POSIX rationale for
.BR kill ().
A difference not mentioned by POSIX concerns the return
.BR signal (2),
.BR capabilities (7),
.BR credentials (7)
+.SH COLOPHON
+This page is part of release 3.79 of the Linux
+.I man-pages
+project.
+A description of the project,
+information about reporting bugs,
+and the latest version of this page,
+can be found at
+\%http://www.kernel.org/doc/man\-pages/.