! -v, --verbose               increase verbosity #!#
! -q, --quiet                 suppress non-error messages
! -c, --checksum              skip based on checksum, not mod-time & size
> -a, --archive               archive mode; same as -rlptgoD (no -H)
! -r, --recursive             recurse into directories
! -R, --relative              use relative path names
!     --no-relative           turn off --relative
!     --no-implied-dirs       don't send implied dirs with -R
 -b, --backup                make backups (see --suffix & --backup-dir)
     --backup-dir=DIR        make backups into hierarchy based in DIR
     --suffix=SUFFIX         backup suffix (default ~ w/o --backup-dir)
! -u, --update                skip files that are newer on the receiver
!     --inplace               update destination files in-place
! -d, --dirs                  transfer directories without recursing
! -l, --links                 copy symlinks as symlinks
! -L, --copy-links            transform symlink into referent file/dir
!     --copy-unsafe-links     only "unsafe" symlinks are transformed
!     --safe-links            ignore symlinks that point outside the tree
! -H, --hard-links            preserve hard links
! -K, --keep-dirlinks         treat symlinked dir on receiver as dir
! -p, --perms                 preserve permissions
! -o, --owner                 preserve owner (root only)
! -g, --group                 preserve group
! -D, --devices               preserve devices (root only)
! -t, --times                 preserve times
! -O, --omit-dir-times        omit directories when preserving times
! -S, --sparse                handle sparse files efficiently
! -n, --dry-run               show what would have been transferred
! -W, --whole-file            copy files whole (without rsync algorithm)
!     --no-whole-file         always use incremental rsync algorithm
! -x, --one-file-system       don't cross filesystem boundaries
! -B, --block-size=SIZE       force a fixed checksum block-size
! -e, --rsh=COMMAND           specify the remote shell to use
!     --rsync-path=PROGRAM    specify the rsync to run on remote machine
!     --existing              only update files that already exist
!     --ignore-existing       ignore files that already exist on receiver
!     --remove-sent-files     sent files/symlinks are removed from sender
!     --del                   an alias for --delete-during
!     --delete                delete files that don't exist on sender
!     --delete-before         receiver deletes before transfer (default)
!     --delete-during         receiver deletes during xfer, not before
!     --delete-after          receiver deletes after transfer, not before
!     --delete-excluded       also delete excluded files on receiver
!     --ignore-errors         delete even if there are I/O errors
!     --force                 force deletion of dirs even if not empty
!     --max-delete=NUM        don't delete more than NUM files
!     --max-size=SIZE         don't transfer any file larger than SIZE
!     --partial               keep partially transferred files
!     --partial-dir=DIR       put a partially transferred file into DIR
!     --delay-updates         put all updated files into place at end
!     --numeric-ids           don't map uid/gid values by user/group name
!     --timeout=TIME          set I/O timeout in seconds
! -I, --ignore-times          don't skip files that match size and time
!     --size-only             skip files that match in size
!     --modify-window=NUM     compare mod-times with reduced accuracy
! -T, --temp-dir=DIR          create temporary files in directory DIR
! -y, --fuzzy                 find similar file for basis if no dest file
     --compare-dest=DIR      also compare received files relative to DIR
     --copy-dest=DIR         ... and include copies of unchanged files
     --link-dest=DIR         hardlink to files in DIR when unchanged
! -z, --compress              compress file data during the transfer
! -C, --cvs-exclude           auto-ignore files in the same way CVS does
 -f, --filter=RULE           add a file-filtering RULE
 -F                          same as --filter='dir-merge /.rsync-filter'
                             repeated: --filter='- .rsync-filter'
     --exclude=PATTERN       exclude files matching PATTERN
     --exclude-from=FILE     read exclude patterns from FILE
     --include=PATTERN       don't exclude files matching PATTERN
     --include-from=FILE     read include patterns from FILE
     --files-from=FILE       read list of source-file names from FILE
 -0, --from0                 all *from/filter files are delimited by 0s
     --address=ADDRESS       bind address for outgoing socket to daemon
!     --port=PORT             specify double-colon alternate port number
     --blocking-io           use blocking I/O for the remote shell
     --no-blocking-io        turn off blocking I/O when it is default
>     --stats                 give some file-transfer stats
>     --progress              show progress during transfer
# -P                          same as --partial --progress
> -i, --itemize-changes       output a change-summary for all updates
     --log-format=FORMAT     output filenames using the specified format
     --password-file=FILE    read password from FILE
>     --list-only             list the files instead of copying them
!     --bwlimit=KBPS          limit I/O bandwidth; KBytes per second
     --write-batch=FILE      write a batched update to FILE
     --only-write-batch=FILE like --write-batch but w/o updating dest
     --read-batch=FILE       read a batched update from FILE
     --protocol=NUM          force an older protocol version to be used
     --checksum-seed=NUM     set block/file checksum seed (advanced)
! -4, --ipv4                  prefer IPv4
! -6, --ipv6                  prefer IPv6
>     --version               print version number
> -h, --help                  show this help screen