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UNISON(1)                                                            UNISON(1)


unison - a file-synchronization tool for Unix and Windows


unison [options]
unison root1 root2 [options]
unison profilename [options]
unison-gtk [options]


This  manual  page  briefly  documents  Unison, and was written for the
Debian GNU/Linux distribution because the original program does not
have a manual page. For a full description, please refer to the inbuilt
documentation or the manuals in /usr/share/doc/unison/. The unison-gtk
binary has similar command-line options, but allows the user to select
and create profiles and configure options from within the program.

Unison is a file-synchronization tool for Unix and Windows. It allows
two replicas of a collection of files and directories to be stored on
different hosts (or different disks on the same host), modified sepa-
rately, and then brought up to date by propagating the changes in each
replica to the other.

Unison offers several advantages over various synchronization methods
such as CVS, Coda, rsync, Intellisync, etc. Unison can run on and syn-
chronize between Windows and many UNIX platforms. Unison requires no
root privileges, system access or kernel changes to function. Unison
can synchronize changes to files and directories in both directions, on
the same machine, or across a network using ssh or a direct socket con-

Transfers are optimised using a version of the rsync protocol, making
it ideal for slower links. Unison has a clear and precise specifica-
tion, and is resilient to failure due to its careful handling of the
replicas and its private structures.


All Unison options are long, starting with one dash (`-') only.  A sum-
mary of options is included here. For a complete description, see the
inbuilt documentation or the manuals in /usr/share/doc/unison/.

specify a file to add new preferences to in interactive mode

add version number to name of unison executable on server

-auto automatically accept default actions

-backup xxx
add a regexp to the backup list

keep backup copies of files (deprecated: use 'backup')

-batch batch mode: ask no questions at all

suppress the 'contacting server' message during startup

-debug xxx
debug module xxx ('all' -> everything, 'verbose' -> more)

-doc xxx
show documentation ('-doc topics' lists topics)

do not try to change terminal settings in text UI

-editor xxx
command for displaying the output of the -merge program

do fast (and slightly unsafe) update detection on windows

-follow xxx
add a regexp to the follow list

-force xxx
force changes from this replica to the other

-group synchronize group

-height n
height (in lines) of main window in graphical interface

-ignore xxx
add a regexp to the ignore list

ignore upper/lowercase spelling of filenames

-ignorenot xxx
add a regexp to the ignorenot list

kill server when done (even when using sockets)

-log record actions in file specified by logfile preference

-logfile xxx
log file name

-maxbackups n
number of backed up versions of a file to keep

-merge xxx
command for merging conflicting files

-merge2 xxx
command for merging files (when no common version exists)

don't map uid/gid values by user/group names

-owner synchronize owner

-path xxx
path to synchronize

-perms n
part of the permissions which is synchronized

-prefer xxx
choose this replica's version in case of conflict

-root xxx
root of a replica

-rootalias xxx
register alias for canonical root names

-rshargs xxx
other arguments (if any) for remote shell command

-rshcmd xxx
path to the rsh executable

-servercmd xxx
name of unison executable on remote server

print nothing (except error messages)

-socket xxx
act as a server on a socket

list changed files by size, not name

-sortfirst xxx
add a regexp to the sortfirst list

-sortlast xxx
add a regexp to the sortlast list

list new before changed files

-sshcmd xxx
path to the ssh executable

-statusdepth n
status display depth for local files

-terse suppress status messages

exit immediately after the connection to the server

-times synchronize modification times

-ui xxx
select user interface ('text' or 'graphic')

print version and exit

Some preferences are just boolean flags. Others take numeric or string
arguments, indicated in the preferences list by n or xxx. Most of the
string preferences can be given several times; the arguments are accu-
mulated into a list internally.


The program is documented fully in the in-built documentation  and  the
manual, available as HTML, PostScript and text in /usr/share/doc/uni-


This manual page was written by Robert  McQueen  <robot101 [AT] debian.org>,
for the Debian GNU/Linux system (but may be used by others).

September 23, 2001 UNISON(1)