-\fBhostname\&.diskname\&.datestamp\&.dumplevel\fR
-
-.PP
-Amrestore doesn't use a changer, it restore from the tape already loaded in the \fBtapedevice\&.\fR
-
+\fBAmrestore\fR
+extracts backup images from the tape mounted on
+\fBtapedevice\fR
+or from the holding disk file
+\fBholdingfile\fR
+that match
+\fBhostname\fR,
+\fBdiskname\fR
+and
+\fBdatestamp\fR
+patterns given on the command line. The tape or holding file must be in a format written by the
+\fBamdump\fR
+or
+\fBamflush\fR
+program.
+.PP
+If
+\fBdiskname\fR
+is not specified, all backups on the tape for the previous
+\fBhostname\fR
+are candidates. If
+\fBdatestamp\fR
+is not specified, all backups on the tape for the previous
+\fBhostname\fR
+and
+\fBdiskname\fR
+are candidates. If no
+\fBhostname\fR,
+\fBdiskname\fR
+or
+\fBdatestamp\fR
+are specified, every backup on the tape is a candidate.
+.PP
+\fBHostname\fR
+and
+\fBdiskname\fR
+are special expressions described in the "HOST & DISK EXPRESSION" section of
+\fBamanda\fR(8).
+\fBDatestamp\fR
+are special expression described in the "DATESTAMP EXPRESSION" section of
+\fBamanda\fR(8). For example, if
+\fBdiskname\fR
+is "rz[23]a", it would match disks
+\fBrz2a\fR
+and
+\fBrz3a\fR.
+.PP
+\fBDatestamp\fR
+is useful if
+\fBamflush\fR
+writes multiple backup runs to a single tape.
+.PP
+Unless
+\fB-p\fR
+is used, candidate backup images are extracted to files in the current directory named:
+.PP
+\fBhostname.diskname.datestamp.dumplevel\fR
+.PP
+Amrestore doesn't use a changer, it restore from the tape already loaded in the
+\fBtapedevice.\fR