commit - f65cdacb3d0ca0a2c7e49bac6a10325ce5210dd7
commit + f14e592919ec68b1cb2db65304400779081f8373
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--- lsblk.8
+++ lsblk.8
@@ -72,8 +72,61 @@ The following line lists all fields of sd0:
 .RS 5
 lsblk -a sd0
 .SH FIELDS
-.B TODO
-Explain the exact meaning of every field.
+.B NAME
+.RE
+.RS 5
+The name of the disk/partition.
+
+.RE
+.B DUID
+.RE
+.RS 5
+The disklabel UID of the disk.
+
+.RE
+.B SIZE
+.RE
+.RS 5
+The size of the partition, not the filesystem.
+
+.RE
+.B USED
+.RE
+.RS 5
+For disks: The amount of allocated disk space for partitions.
+.RE
+.RS 5
+For mounted partitions: The amount of used space.
+
+.RE
+.B FREE
+.RE
+.RS 5
+For disks: SIZE - FREE
+.RE
+.RS 5
+For partitions: FS_SIZE - FREE
+
+.RE
+.B TYPE
+.RE
+.RS 5
+For disks: The type of the disk.
+.RE
+.RS 5
+For partitions: The type of data on the partition.
+
+.RE
+.B COMMENT
+.RE
+.RS 5
+For all disks: The label of the disk.
+.RE
+.RS 5
+For RAID disks: Additionally the status of the volume.
+.RE
+.RS 5
+For mounted partitions: The first found current mount point.
 .SH SEE ALSO
 .BR disklabel (8) ,
 .BR bio (4) ,