time trials.
.TP
.B \-M
-Shrink the filesystem to the minimum size.
+Shrink the file system to minimize its size as much as possible,
+given the files stored in the file system.
.TP
.B \-p
Prints out a percentage completion bars for each
of what the program is doing.
.TP
.B \-P
-Print the minimum size of the filesystem and exit.
+Print an estimate of the number of file system blocks in the file system
+if it is shrunk using
+.BR resize2fs 's
+.B \-M
+option and then exit.
.TP
.B \-s
Turns off the 64bit feature and frees blocks that are no longer in use.