.SH NAME
mem, kmem, port \- system memory, kernel memory and system ports
.SH DESCRIPTION
-\fBmem\fP is a character device file
+.B mem
+is a character device file
that is an image of the main memory of the computer.
It may be used, for example, to examine (and even patch) the system.
.LP
chown root:kmem /dev/kmem
.RE
.LP
-\fBport\fP is similar to
+.B port
+is similar to
.BR mem ,
but the I/O ports are accessed.
.LP