## rsync Options ##

# Basic Options
-v, --verbose           # Increase verbosity
-q, --quiet            # Suppress non-error messages
-a, --archive          # Archive mode (equivalent to -rlptgoD)
-r, --recursive        # Recursively copy directories
-b, --backup           # Make backups (see --suffix & --backup-dir)
-n, --dry-run          # Show what would happen without making changes

# Sync Options
-u, --update           # Skip files that are newer on receiver
--inplace             # Update files in-place
--append              # Append data to shorter files
-z, --compress        # Compress file data during transfer
--delete              # Delete extraneous files from destination

# Selection Options
-m, --prune-empty-dirs # Prune empty directory chains from file-list
--include=PATTERN     # Include files matching pattern
--exclude=PATTERN     # Exclude files matching pattern
--exclude-from=FILE   # Read exclude patterns from FILE

# Display Options
-h, --human-readable  # Output numbers in human-readable format
--progress           # Show progress during transfer
-i, --itemize-changes # Output a change-summary for all updates

# Preservation Options
-p, --perms          # Preserve permissions
-t, --times          # Preserve modification times
-g, --group          # Preserve group
-o, --owner          # Preserve owner (super-user only)
-D                   # Same as --devices --specials
--devices           # Preserve device files (super-user only)
--specials          # Preserve special files

# Connection Options
-e, --rsh=COMMAND    # Specify the remote shell to use
--port=PORT         # Specify alternate port number
--blocking-io       # Use blocking I/O for remote shell