| intro.4 (70015) | intro.4 (76175) |
|---|---|
| 1.\" 2.\" Copyright (c) 1996 David E. O'Brien, Joerg Wunsch 3.\" 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: --- 9 unchanged lines hidden (view full) --- 18.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.\" | 1.\" 2.\" Copyright (c) 1996 David E. O'Brien, Joerg Wunsch 3.\" 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: --- 9 unchanged lines hidden (view full) --- 18.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.\" |
| 26.\" $FreeBSD: head/share/man/man4/intro.4 70015 2000-12-14 11:52:05Z ru $ | 26.\" $FreeBSD: head/share/man/man4/intro.4 76175 2001-05-01 09:15:30Z schweikh $ |
| 27.\" 28.Dd January 20, 1996 29.Dt INTRO 4 30.Os FreeBSD 31.Sh NAME 32.Nm intro 33.Nd introduction to devices and device drivers 34.Sh DESCRIPTION 35This section contains information related to devices, device driver | 27.\" 28.Dd January 20, 1996 29.Dt INTRO 4 30.Os FreeBSD 31.Sh NAME 32.Nm intro 33.Nd introduction to devices and device drivers 34.Sh DESCRIPTION 35This section contains information related to devices, device driver |
| 36and miscellaneous hardware. | 36and miscellaneous hardware. |
| 37.Ss The device abstraction 38Device is a term used mostly for hardware-related stuff that belongs 39to the system, like disks, printers, or a graphics display with its 40keyboard. There are also so-called 41.Em pseudo-devices 42where a device driver emulates the behaviour of a device in software 43without any particular underlying hardware. A typical example for 44the latter class is --- 132 unchanged lines hidden --- | 37.Ss The device abstraction 38Device is a term used mostly for hardware-related stuff that belongs 39to the system, like disks, printers, or a graphics display with its 40keyboard. There are also so-called 41.Em pseudo-devices 42where a device driver emulates the behaviour of a device in software 43without any particular underlying hardware. A typical example for 44the latter class is --- 132 unchanged lines hidden --- |