and in the trusted directories,
.I /lib
and
-.I /usr/lib
-(on some 64-bit architectures such as x86-64,
+.IR /usr/lib .
+On some 64-bit architectures such as x86-64,
.I /lib
and
.I /usr/lib
.I /lib64
and
.I /usr/lib64
-are used for 64-bit libraries).
+are used for 64-bit libraries.
.PP
The cache is used by the run-time linker,
.I ld.so
should normally be run by the superuser as it may require write
permission on some root owned directories and files.
.PP
-Note that
.B \%ldconfig
-will only look at files that are named
+will look only at files that are named
.I lib*.so*
(for regular shared objects) or
.I ld\-*.so*
Other files will be ignored.
Also,
.B \%ldconfig
-expects a certain pattern to how the symlinks are set up,
+expects a certain pattern to how the symbolic links are set up,
like this example,
where the middle file
.RB ( libfoo.so.1
.TP
.B \-l
(Since glibc 2.2)
-Library mode.
-Manually link individual libraries.
-Intended for use by experts only.
+Interpret each operand as a libary name and configure its links.
+Intended for use only by experts.
.TP
.B \-n
-Process only the directories specified on the command line.
-Don't process the trusted directories,
+Process only the directories specified on the command line;
+don't process the trusted directories,
nor those specified in
.IR /etc/ld.so.conf .
Implies
.PD 0
.TP
.I /lib/ld.so
-Run-time linker/loader.
+is the run-time linker/loader.
.TP
.I /etc/ld.so.conf
-File containing a list of directories,
+contains a list of directories,
one per line,
in which to search for libraries.
.TP
.I /etc/ld.so.cache
-File containing an ordered list of libraries found in the directories
+contains an ordered list of libraries found in the directories
specified in
.IR /etc/ld.so.conf ,
as well as those found in the trusted directories.