NAME

       zfs-diff — show difference between ZFS snapshots

SYNOPSIS

       zfs diff [-FHth] snapshot snapshot|filesystem

DESCRIPTION

       Display  the  difference between a snapshot of a given filesystem and another snapshot of that filesystem
       from a later time or the current contents of the filesystem.  The first column is a character  indicating
       the type of change, the other columns indicate pathname, new pathname (in case of rename), change in link
       count, and optionally file type and/or change time.  The types of change are:
             -  The path has been removed
             +  The path has been created
             M  The path has been modified
             R  The path has been renamed

       -F  Display an indication of the type of file, in a manner similar to the -F option of ls(1).
             B  Block device
             C  Character device
             /  Directory
             >  Door
             |  Named pipe
             @  Symbolic link
             P  Event port
             =  Socket
             F  Regular file

       -H  Give more parsable tab-separated output, without header lines and without arrows.

       -t  Display the path's inode change time as the first column of output.

       -h  Do not \0ooo-escape non-ASCII paths.

EXAMPLES

   Example 1: Showing the differences between a snapshot and a ZFS Dataset
       The following example shows how to see what has changed between a prior snapshot of a ZFS dataset and its
       current state.  The -F option is used to indicate type information for the files affected.
             # zfs diff -F tank/test@before tank/test
             M       /       /tank/test/
             M       F       /tank/test/linked      (+1)
             R       F       /tank/test/oldname -> /tank/test/newname
             -       F       /tank/test/deleted
             +       F       /tank/test/created
             M       F       /tank/test/modified

SEE ALSO

       zfs-snapshot(8)

OpenZFS                                          March 16, 2022                                      ZFS-DIFF(8)