If you didn't save it under "System" General" "Save Config" then you'll have to find it at /var/db/system/configs-longhexnumber, where you will find something like this, but you won't have as many versions. I'm pretty sure:
Code:
root@freenasmini:/var/db/system/configs-22ecd063490d4ed98c05cf93f09e5b6b # ls
FreeNAS-11.0-RC (ad90a865b)
FreeNAS-11.0-RC2 (a4687be8c)
FreeNAS-11.0-RELEASE (a2dc21583)
FreeNAS-11.0-U1 (aa82cc58d)
FreeNAS-11.0-U2 (e417d8aa5)
FreeNAS-11.0-U3 (c5dcf4416)
FreeNAS-11.0-U4 (54848d13b)
FreeNAS-11.1-RELEASE (dc7d195f4)
FreeNAS-11.1-U1 (f7e246b8f)
FreeNAS-11.1-U2 (c636d1f4b)
FreeNAS-11.1-U4 (89e3d93bc)
FreeNAS-11.1-U5 (8e2a858a1)
FreeNAS-9.10-STABLE-201604140622 (8781269)
FreeNAS-9.10-STABLE-201604181743 (74ef270)
FreeNAS-9.10-STABLE-201604261518 (881b70d)
FreeNAS-9.10-STABLE-201605021851 (35c85f7)
FreeNAS-9.10-STABLE-201605240427 (64fcd8e)
FreeNAS-9.10-STABLE-201606072003 (696eba7)
FreeNAS-9.10-STABLE-201606270534 (dd17351)
FreeNAS-9.10.1 (d989edd)
FreeNAS-9.10.1-U1 (ff51a5d)
FreeNAS-9.10.1-U2 (f045a8b)
FreeNAS-9.10.1-U3 (d985cd1)
FreeNAS-9.10.1-U4 (ec9a7d3)
FreeNAS-9.10.2 (a476f16)
FreeNAS-9.10.2-U1 (86c7ef5)
FreeNAS-9.10.2-U2 (e1497f2)
FreeNAS-9.10.2-U3 (e1497f269)
FreeNAS-9.3-STABLE-201509160044
FreeNAS-9.3-STABLE-201509220011
FreeNAS-9.3-STABLE-201509282017
FreeNAS-9.3-STABLE-201510290351
FreeNAS-9.3-STABLE-201511020249
FreeNAS-9.3-STABLE-201511040813
FreeNAS-9.3-STABLE-201511280648
FreeNAS-9.3-STABLE-201512121950
FreeNAS-9.3-STABLE-201601181840
FreeNAS-9.3-STABLE-201602031011
FreeNAS-9.3-STABLE-201604140556
root@freenasmini:/var/db/system/configs-22ecd063490d4ed98c05cf93f09e5b6b #
2x TrueNAS 13.0-U6.1, X9SCM-F, Xeon E3-1230 v2, 32GB ECC RAM, 6x4TB WD Red/Red+ in RaidZ2, SAS9211-8i HBA, mix SSD/laptop-HDD boot drives, Solarflare SFN6122F 10G between boxes.
Protectli Vault FW4B pfSense box with CP1500 UPS supplying 2 servers, router and WAN gateway.