TrueNAS is just web-based configuration management. As long as you only use the web UI, your system state can be distilled down to the config file it generates.
If you do a vanilla FreeBSD+samba+NFS+ZFS setup, you'll need to edit several files around the file system, which are easy to forget months down the line in case of adjustment or disaster recovery.
If you do a vanilla FreeBSD+samba+NFS+ZFS setup, you'll need to edit several files around the file system, which are easy to forget months down the line in case of adjustment or disaster recovery.