Section 4: special files
r128 – ATI Rage 128 video driver Synopsis Section "Device" Identifier "devname" Driver "r128" … EndSection Description r128 is an Xorg driver for ATI Rage 128 based video cards. It contains full support for 8, 15, 16 and 24 bit pixel depths, hardware acceleration of drawing primitives, hardware cursor, video modes up to 1800×1440 @…
ptmx, pts – pseudoterminal master and slave Description The file /dev/ptmx (the pseudoterminal multiplexor device) is a character file with major number 5 and minor number 2, usually with mode 0666 and ownership root:root. It is used to create a pseudoterminal master and slave pair. When a process opens /dev/ptmx, it gets a file descriptor…
ptmx, pts – pseudoterminal master and slave Description The file /dev/ptmx (the pseudoterminal multiplexor device) is a character file with major number 5 and minor number 2, usually with mode 0666 and ownership root:root. It is used to create a pseudoterminal master and slave pair. When a process opens /dev/ptmx, it gets a file descriptor…
mem, kmem, port – system memory, kernel memory and system ports Description /dev/mem is a character device file that is an image of the main memory of the computer. It may be used, for example, to examine (and even patch) the system. Byte addresses in /dev/mem are interpreted as physical memory addresses. References to nonexistent…
penmount – PenMount input driver Synopsis Section N’34’InputDeviceN’34’ Identifier N’34’idevnameN’34’ Driver N’34’penmountN’34’ Option N’34’DeviceN’34’ N’34’devpathN’34’ … EndSection Description penmount is an Xorg input driver for PenMount devices… The penmount driver functions as a pointer input device, and may be used as the X server’s core pointer. THIS MAN PAGE NEEDS TO BE FILLED IN. Supported…
openchrome – video driver for VIA Unichromes Synopsis Section "Device" Identifier "devname" Driver "openchrome" … EndSection Description openchrome is an Xorg driver for VIA chipsets that have an integrated Unichrome graphics engine. The openchrome driver supports the following chipsets: CLE266, KM400/KN400/KM400A/P4M800, CN400/PM800/PN800/PM880, K8M800, CN700/VM800/P4M800Pro, CX700, P4M890, K8M890, P4M900/VN896/CN896, VX800, VX855 and VX900. The driver includes…
nv – NVIDIA video driver Synopsis Section N’34’DeviceN’34’ Identifier N’34’devnameN’34’ Driver N’34’nvN’34’ … EndSection Description nv is an Xorg driver for NVIDIA video cards. The driver supports 2D acceleration and provides support for the following framebuffer depths: 8, 15, 16 (except Riva128) and 24. All visual types are supported for depth 8, TrueColor and DirectColor…
null, zero – data sink Description Data written to the /dev/null and /dev/zero special files is discarded. Reads from /dev/null always return end of file (i.e., read(2) returns 0), whereas reads from /dev/zero always return bytes containing zero (‘\0’ characters). These devices are typically created by: mknod -m 666 /dev/null c 1 3 mknod -m…
nouveau – NVIDIA video driver Synopsis Section "Device" Identifier "devname" Driver "nouveau" … EndSection Description nouveau is an Xorg driver for NVIDIA video cards. The driver supports 2D acceleration and provides support for the following framebuffer depths: (15,) 16 and 24. TrueColor visuals are supported for these depths. Supported Hardware The nouveau driver supports PCI,…
AF_NETROM – NET/ROM amateur packet radio protocol family Description NET/ROM is a protocol used extensively by radio amateurs. The Linux NET/ROM protocol family permits access to these protocols via the standard networking socket metaphor. The NET/ROM protocol layer only supports connected mode. IP traffic may be stacked on top of NET/ROM frames using a non-standard…
neomagic – Neomagic video driver Synopsis Section "Device" Identifier "devname" Driver "neomagic" … EndSection Description neomagic is an Xorg driver for the Neomagic graphics chipsets found in many laptop computers. Supported Hardware neomagic supports the following chipsets: MagicGraph 128 (NM2070) MagicGraph 128V (NM2090) MagicGraph 128ZV (NM2093) MagicGraph 128ZV+ (NM2097) MagicGraph 128XD (NM2160) MagicGraph 256AV (NM2200)…
mwmrc — the Motif Window Manager Resource Description File Description The mwmrc file is a supplementary resource file that controls much of the behavior of the Motif window manager mwm. It contains descriptions of resources that cannot easily be written using standard X Window System, Version 11 resource syntax. The resource description file contains entries…
mutouch – Microtouch input driver Synopsis Section N’34’InputDeviceN’34’ Identifier N’34’idevnameN’34’ Driver N’34’mutouchN’34’ Option N’34’DeviceN’34’ N’34’devpathN’34’ … EndSection Description mutouch is an Xorg input driver for Microtouch devices… The mutouch driver functions as a pointer input device, and may be used as the X server’s core pointer. THIS MAN PAGE NEEDS TO BE FILLED IN. Supported…
msr – x86 CPU MSR access device Description /dev/cpu/CPUNUM/msr provides an interface to read and write the model-specific registers (MSRs) of an x86 CPU. CPUNUM is the number of the CPU to access as listed in /proc/cpuinfo. The register access is done by opening the file and seeking to the MSR number as offset in…
mouse – Xorg mouse input driver Synopsis Section "InputDevice" Identifier "idevname" Driver "mouse" Option "Protocol" "protoname" Option "Device" "devpath" … EndSection Description mouse is an Xorg input driver for mice. The driver supports most available mouse types and interfaces, though the level of support for types of mice depends on the OS. The mouse driver…
mouse – serial mouse interface Configuration Serial mice are connected to a serial RS232/V24 dialout line, see ttyS(4) for a description. Description Introduction The pinout of the usual 9 pin plug as used for serial mice is: pin name used for 2 RX Data 3 TX -12 V, Imax = 10 mA 4 DTR +12…
modulefile – files containing Tcl code for the Modules package Description modulefiles are written in the Tool Command Language, Tcl(3) and are interpreted by the modulecmd program via the module(1) user interface. modulefiles can be loaded, unloaded, or switched on-the-fly while the user is working; and can be used to implement site policies regarding the…
modesetting – video driver for framebuffer device Synopsis Section "Device" Identifier "devname" Driver "modesetting" BusID "pci:bus:dev:func" … EndSection Description modesetting is an Xorg driver for KMS devices. This driver supports TrueColor visuals at framebuffer depths of 15, 16, 24, and 30. RandR 1.2 is supported for multi-head configurations. Acceleration is available through glamor for devices…
MIFF – Magick Image File Format Synopsis #include <image.h> Description The Magick Image File Format (MIFF) is a platform-independent format for storing bitmap images. MIFF is a part of the ImageMagick toolkit of image manipulation utilities for the X Window System. ImageMagick is capable of converting many different image file formats to and from MIFF…
mgettydefs – speed and terminal settings used by mgetty Description The /etc/gettydefs file contains information used by mgetty(1) to set up the speed and terminal settings for a line. It also supplies information on what the login prompt should look like. Many versions of UNIX have a version of getty(1) that also reads /etc/gettydefs. Both…