+\fIhost\fR [\fIdisk\fR]*
+.RS 4
+Specify the host and disk on which the command will work\.
+.RE
+.PP
+\fB\-o\fR \fIconfigoption\fR
+.RS 4
+See the "\fBCONFIGURATION OVERRIDE\fR" section in
+\fBamanda\fR(8)\.
+.RE
+.PP
+You can specify many host/disk expressions, only disks that match an expression will be flushed\. All disks are flushed if no expressions are given\. see the "HOST & DISK EXPRESSION" section of