X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/332cf6df7c32dbaa47cbfe515121da7bd53974e8..d15f2ff0cf372be49d57b1d7884557ddbe1a4d9c:/rsync.yo

diff --git a/rsync.yo b/rsync.yo
index dad93e8d..3af7e1b7 100644
--- a/rsync.yo
+++ b/rsync.yo
@@ -21,7 +21,7 @@ rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]
 
 manpagedescription()
 
-rsync is a program that behaves in much the same way that rcp does,
+Rsync is a program that behaves in much the same way that rcp does,
 but has many more options and uses the rsync remote-update protocol to
 greatly speed up file transfers when the destination file is being
 updated.
@@ -31,6 +31,12 @@ differences between two sets of files across the network connection, using
 an efficient checksum-search algorithm described in the technical
 report that accompanies this package.
 
+Rsync finds files that need to be transferred using a "quick check" algorithm
+that looks for files that have changed in size or in last-modified time (by
+default).  Any changes in the other preserved attributes (as requested by
+options) are made on the destination file directly when the quick check
+indicates that the file's data does not need to be updated.
+
 Some of the additional features of rsync are:
 
 itemization(
@@ -471,16 +477,16 @@ a limitation in the rsync protocol), so omit this option if you want to
 request the list of modules from the daemon.
 
 dit(bf(-I, --ignore-times)) Normally rsync will skip any files that are
-already the same size and have the same modification time-stamp.
+already the same size and have the same modification timestamp.
 This option turns off this "quick check" behavior, causing all files to
 be updated.
 
-dit(bf(--size-only)) Normally rsync will not transfer any files that are
-already the same size and have the same modification time-stamp. With the
-bf(--size-only) option, files will not be transferred if they have the same size,
-regardless of timestamp. This is useful when starting to use rsync
-after using another mirroring system which may not preserve timestamps
-exactly.
+dit(bf(--size-only)) This modifies rsync's "quick check" algorithm for
+finding files that need to be transferred, changing it from the default of
+transferring files with either a changed size or a changed last-modified
+time to just looking for files that have changed in size.  This is useful
+when starting to use rsync after using another mirroring system which may
+not preserve timestamps exactly.
 
 dit(bf(--modify-window)) When comparing two timestamps, rsync treats the
 timestamps as being equal if they differ by no more than the modify-window