Subject: lsblk -o undocumented +xxxxx option

From: Leslie S Satenstein <[email-masked]>
Date: Fri, 17 Jan 2020 22:35:28 +0000 (UTC)

The man and info pages do not mention the + optionfor example
llsblk -o mountpoint yields a mountpoint listbut lsblk -o +mountpoint yields a more extensive list.
lsblk -o uuidUUID
AA36-40A5eb99fd6d-62db-4d0b-b7fa-7a8257e0dd79342b8397-5918-4a38-8003-bbce102d61526a93809e-6fe6-4434-a915-7f35583441ecc54f3905-476f-4950-a93c-aeecbc10b6a9
-----------------------------------------------------------

lsblk -o +uuidNAME        MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT UUIDsda           8:0    0 119.2G  0 disk            ├─sda1        8:1    0   512M  0 part            AA36-40A5├─sda2        8:2    0     1G  0 part            eb99fd6d-62db-4d0b- 7fa-7a8257e0dd79├─sda3        8:3    0    30G  0 part            342b8397-5918-4a38-8003-bbce102d6152├─sda4        8:4    0    10G  0 part            6a93809e-6fe6-4434-a915-7f35583441ec└─sda5        8:5    0    16G  0 part            c54f3905-476f-4950-a93c-aeecbc10b6a9

I would like to make use of the +xxxx option. Should I? yes/no/maybe

Regards 
 Leslie
 Leslie Satenstein
Montréal Québec, Canada