+\-r
+Replace or add the specified files to the archive.
+If the archive does not exist a new archive file is created.
+Files that replace existing files do not change the order of the files
+within the archive.
+New files are appended to the archive unless one of the options \-a, \-b
+or \-i is specified.
+.TP
+\-t
+List the specified files in the order in which they appear in the archive,
+each on a separate line.
+If no files are specified, all files in the archive are listed.
+.TP
+\-u
+Update files.
+When used with the \-r option, files in the archive will be replaced
+only if the disk file has a newer modification time than the file in
+the archive.
+When used with the \-x option, files in the archive will be extracted
+only if the archive file has a newer modification time than the file
+on disk.
+.TP
+\-v
+Provide verbose output.
+When used with the \-d, \-m, \-q or \-x options,
+.I ar
+gives a file-by-file description of the archive modification.
+This description consists of three, white-space separated fields: the
+option letter, a dash (``-'') and the file name.
+When used with the \-r option,
+.I ar
+displays the description as above, but the initial letter is an ``a'' if
+the file is added to the archive and an ``r'' if the file replaces a file
+already in the archive.
+.IP
+When used with the \-p option,
+the name of each printed file is written to the standard output before
+the contents of the file, on a line by itself, enclosed in less-than
+(``<'') and greater-than (``>'') characters.
+.IP
+When used with the \-t option,