Errata

"On each disk in a PC, there may be between 1 and 16 partitions."

NOW READS:
"On each disk in a PC, there must be at least one partition in order
for the disk to be useful. On an IDE disk, there may be up to 64
partitions. On a SCSI disk, there may be up to 16 partitions."

"1 to 12 logical partitions may be created. Logical partitions are
numbered from 5 to 16."

NOW READS:
"On an IDE disk, up to 60 logical partitions may be created. On a SCSI
disk, up to 12 logical partitions may be created. Logical partitions
are numbered starting with 5."

"Under this PC partitioning scheme, a maximum of 15 partitions with
filesystems may exist on a single physical disk (3 primary plus 12
logical), more than enough..."

NOW READS:
"Under this PC partitioning scheme, a maximum of 15 or 63 partitions
with filesystems may exist on a single physical disk (3 primaries plus
12 logical for SCSI and 3 primaries plus 60 logical for IDE), ..."

"It is unlikely that all of the 15 possible partitions on a disk would
be necessary just to support Linux."

NOW READS:
"... 63 or even 15 possible partitions ..."

In the listed paragraph, it mentions the six partitions listed (that do not belong
under the root directory) in addition to /swap. There are only five listed:

/boot
/home
/tmp
/var
/usr

What is missing is /opt

In table 1-15 on the same page, /opt is listed.

The description of the -s switch of the ln command previously read:
"Create a symbolic link rather than a hard link;this is the default"

NOW READS:
"Create a symbolic link rather than a hard link."