intro.7 (2010 09)

intro(7) intro(7)

Depending on the command, both views may be presented, or the choice of view may be controlled by a

command option or an environment variable. For example, the

ioscan command shows the legacy view

by default, and switches to the agile view if the

-N option is speciﬁed.

EXAMPLES

Example 1

The following is an example of a persistent device special ﬁle name:

/dev/disk/disk3

where disk indicates block disk access and disk3

indicates device class disk and instance number 3.

The absence of

p# indicates access to the entire disk; see disk(7) for details.

Example 2

The following is an example of a legacy disk device special ﬁle name:

/dev/dsk/c0t6d0s2

where dsk indicates block disk access and c0t6d0

indicates logical disk access at interface card

instance 0, target address 6, and unit 0. The s2 indicates access to section 2 of the disk.

Example 3

The following is an example of a persistent tape device special ﬁle name:

/dev/rtape/tape4QIC150

where rtape indicates raw magnetic tape, tape4 indicates tape device instance number 4, and QIC150

identiﬁes the tape format as QIC150; see mt(7) for details.

Example 4

The following is an example of a cluster device special ﬁle name:

/dev/cdisk/disk5

where cdisk indicates block cluster disk access and disk5 indicates device class disk and instance

number 5.

WARNINGS

The support of legacy device special ﬁles is deprecated and will be removed in a future release of HP-UX.