other users may not be listed and executables may be classified as
mapped only.
.PP
+.B fuser
+cannot report on any processes that it doesn't have permission to look
+at the file descriptor table for. The most common time this problem
+occurs is when looking for TCP or UDP sockets when running
+.B fuser
+as a non-root user. In this case
+.B fuser
+will report no access.
+.PP
Installing
.B fuser
SUID root will avoid problems associated with partial information, but
even if you don't have that device configured. There may be other
devices it does this for too.
.PP
-.B fuser
-cannot report on any processes that it doesn't have permission to look
-at the file descriptor table for. The most common time this problem
-occurs is when looking for TCP or UDP sockets when running
-.B fuser
-as a non-root user. In this case
-.B fuser
-will report no access
-.PP
The mount \-m option will match any file within the same device as the
specified file, use the \-M option as well if you mean to specify only
the mount point.