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mem(4) -- system memory, kernel memory and system ports
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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 mem are interpreted as physic... |
mouse(4) -- serial mouse interface
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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 V, Imax = 10 mA 7 RTS +12 V, Imax = 10 mA 5 GND Ground This i... |
null(4) -- data sink
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Data written on a null or zero special file is discarded. Reads from the null special file always return end of file, whereas reads from zero always return \0 characters. null and zero are typically ... |
ram(4) -- ram disk device
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The Ram device is a block device to access the ram disk in raw mode. It is typically created by: mknod -m 660 /dev/ram b 1 1 chown root:disk /dev/ram |
random(4) -- kernel random number source devices
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The character special files /dev/random and /dev/urandom (present since Linux 1.3.30) provide an interface to the kernel's random number generator. File /dev/random has major device number 1 and mino... |
sd(4) -- Driver for SCSI Disk Drives
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The following ioctls are provided: HDIO_GETGEO Returns the BIOS disk parameters in the following structure: struct hd_geometry { unsigned char heads; unsigned char sectors; unsigned short cylinders; u... |
st(4) -- SCSI tape device
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The st driver provides the interface to a variety of SCSI tape devices. Currently, the driver takes control of all detected devices of type "sequential-access." The st driver uses major device numbe... |
tty(4) -- controlling terminal
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The file /dev/tty is a character file with major number 5 and minor number 0, usually of mode 0666 and owner.group root.tty. It is a synonym for the controlling terminal of a process, if any. In addit... |
ttys(4) -- serial terminal lines
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ttyS[0-3] are character devices for the serial terminal lines. They are typically created by: mknod -m 660 /dev/ttyS0 c 4 64 # base address 0x03f8 mknod -m 660 /dev/ttyS1 c 4 65 # base address 0x02f8 ... |
vcs(4) -- virtual console memory
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/dev/vcs0 is a character device with major number 7 and minor number 0, usually of mode 0644 and owner root.tty. It refers to the memory of the currently displayed virtual console terminal. /dev/vcs[1... |
wavelan(4) -- AT&T GIS WaveLAN ISA device driver
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wavelan is the low-level device driver for the NCR / AT&T / Lucent WaveLAN ISA and Digital (DEC) RoamAbout DS wireless ethernet adapter. This driver is available as a module or might be compiled in th... |
acct(5) -- execution accounting file
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The kernel maintains an accounting information structure for all processes. If a process terminates, and accounting is enabled, the kernel calls the acct(2) function to prepare, and then append, a rec... |
adduser.conf(5) -- configuration file for adduser(8) and addgroup(8).
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The file /etc/adduser.conf contains defaults for the programs adduser(8) and addgroup(8). Each option takes the form option = value. Double or single quotes are allowed around the value. Comment lines... |