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misc/45695: fdisk(8) has misleading naming of logical partitions
>Synopsis: fdisk(8) has misleading naming of logical partitions
>Arrival-Date: Thu Dec 08 01:10:01 +0000 2011
>Originator: Julian Fagir
fdisk(8) has no mention of the word 'logical' partition, but always talks about
extended partitions. This is misleading, there is only one extended partition
(though several EBRs), the inner ones are usually called logical partitions.
Ultimate proof by wikipedia link:
The attached diff should have replaced all the misleading 'extended's by
RCS file: /cvsroot/src/sbin/fdisk/fdisk.8,v
retrieving revision 1.73
diff -u -r1.73 fdisk.8
--- sbin/fdisk/fdisk.8 1 Dec 2011 23:14:06 -0000 1.73
+++ sbin/fdisk/fdisk.8 7 Dec 2011 11:38:28 -0000
@@ -60,7 +60,8 @@
for selecting a partition to be booted.
There can be at most 4 partitions defined in sector 0,
one of which can be an extended
-partition which can be split into any number of sub-partitions.
+partition which can be split into any number of sub-partitions (then called
The boot code in the MBR is usually invoked by the BIOS or firmware,
and the MBR passes control to the next stage boot code
@@ -164,7 +165,7 @@
Specify partition slot 3 to be printed or updated.
.It Fl A Ar ptn_alignment Ns Bq Ar /ptn_0_offset
Specify the alignment for all partitions and optionally the offset for the
-first partition of the disk and of extended partitions.
+first partition of the disk and of logical partitions.
is specified and
@@ -223,11 +224,11 @@
on an i386 machine, and leave the bootcode empty for other
.It Fl E Ar number
-Specify extended partition
+Specify logical partition
to be printed or updated.
-If the specified extended partition doesn't exist on updating partition data
-an additional extended partition will be created.
+If the specified logical partition doesn't exist on updating partition data
+an additional logical partition will be created.
.It Fl F
@@ -436,7 +437,7 @@
This example disk is divided into four partitions, the last of which is
an extended partition.
-The sub-partitions of the extended partition are also shown.
+The logical partitions of the extended partition are also shown.
In this case there is no free space in either the disk or in the extended
@@ -489,7 +490,7 @@
sector values are omitted.
-is not specified the start of extended partitions and the first partition
+is not specified the start of logical partitions and the first partition
on the disk are rounded down to include the mandatory red tape in the
@@ -601,7 +602,8 @@
.It Pa /usr/mdec/mbr_bootsel
Default location of i386 bootselect code
.It Pa /usr/mdec/mbr_ext
-Default location of i386 bootselect for extended partitions
+Default location of i386 bootselect for extended partitions (i.e., NetBSD on
Update MBR partition data of
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