Section 4 of the manual describes special files (devices).
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- adv
- Advansys ISA/VL/PCI Narrow 8bit SCSI Host adapter driver
- adw
- Advansys PCI 16bit SCSI Host adapter driver
- ae
- Attansic/Atheros L2 FastEthernet controller driver
- aesni
- driver for the AES and SHA accelerator on x86 CPUs
- age
- Attansic/Atheros L1 Gigabit Ethernet driver
- agp
- generic interface to the Accelerated Graphics Port (AGP)
- agpgart
- agp — generic interface to the Accelerated Graphics Port (AGP)
- aha
- Adaptec SCSI host adapter driver
- ahc
- Adaptec VL/ISA/PCI SCSI host adapter driver
- ahci
- Serial ATA Advanced Host Controller Interface driver
- ahd
- Adaptec PCI/PCI-X Ultra320 SCSI host adapter driver
- aibs
- ASUSTeK AI Booster ACPI ATK0110 voltage, temperature and fan sensor
- aic
- Adaptec AIC-6260 and AIC-6360 SCSI driver
- aio
- asynchronous I/O
- aiptek
- Aiptek USB Digital Tablet Input Driver for Linux
- alc
- Atheros AR813x/AR815x/AR816x/AR817x Gigabit/Fast Ethernet driver
- ale
- Atheros AR8121/AR8113/AR8114 Gigabit/Fast Ethernet driver
- alpm
- Acer Aladdin 15x3 Power Management controller driver
- altera_atse
- atse — driver for the Altera Triple-Speed Ethernet MegaCore
- altera_avgen
- driver for generic Altera Avalon-bus-attached, memory-mapped devices
- altera_jtag_uart
- driver for the Altera JTAG UART Core
- altera_sdcard
- driver for the Altera University Program Secure Data Card IP Core
- altera_sdcardc
- altera_sdcard — driver for the Altera University Program Secure Data Card IP Core
- altq
- ALTQ — alternate queuing of network packets
- amdgpu
- AMD RADEON GPU video driver
- amdpm
- AMD 756/766/768/8111 Power Management controller driver
- amdsbwd
- device driver for the AMD southbridge watchdog timers
- amdsmb
- AMD-8111 SMBus 2.0 controller driver
- amdsmn
- device driver for AMD processor System Management Network
- amdtemp
- device driver for AMD processor on-die digital thermal sensor
- amr
- MegaRAID SCSI/ATA/SATA RAID driver
- an
- Aironet Communications 4500/4800 wireless network adapter driver
- aout
- kernel support for executing binary files in legacy a.out format
- apic
- Advanced Programmable Interrupt Controller (APIC) driver
- apm
- APM BIOS interface
- arcmsr
- Areca RAID Controller driver
- arp
- Address Resolution Protocol
- asmc
- device driver for the Apple System Management Controller (SMC)
- at45d
- driver for DataFlash(tm) non-volatile storage devices
- ata
- generic ATA/SATA controller driver
- atf-test-case
- generic description of test cases
- atf-test-case
- generic description of test cases
- ath
- Atheros IEEE 802.11 wireless network driver
- ath_ahb
- Atheros AHB device glue
- ath_hal
- Atheros Hardware Access Layer (HAL)
- ath_pci
- Atheros PCI device glue
- ati
- ATI video driver
- atkbd
- the AT keyboard interface
- atkbdc
- the AT keyboard controller interface
- atmsigd.conf
- configuration file for the ATM signaling demon
- atp
- Apple touchpad driver
- atrtc
- AT Real-Time Clock (RTC) driver
- atse
- driver for the Altera Triple-Speed Ethernet MegaCore
- attimer
- i8254 Programmable Interval Timer (AT Timer) driver
- audit
- Security Event Audit
- auditpipe
- pseudo-device for live audit event tracking
- aue
- ADMtek AN986 Pegasus USB Ethernet driver
- ax25
- AF_AX25 - AX.25 amateur packet radio protocol family
- axe
- ASIX Electronics AX88x7x/760 USB Ethernet driver
- axge
- ASIX Electronics AX88178A/AX88179 USB Gigabit Ethernet driver
- bce
- QLogic NetXtreme II (BCM5706/5708/5709/5716) PCI/PCIe Gigabit Ethernet adapter driver
- bcma
- Broadcom AMBA Backplane driver
- bfe
- Broadcom BCM4401 Ethernet Device Driver
- bge
- Broadcom BCM57xx/BCM590x Gigabit/Fast Ethernet driver
- bhnd
- Broadcom Home Networking Division interconnect bus
- bhnd_chipc
- Broadcom Home Networking Division ChipCommon Driver
- bhnd_pmu
- Broadcom Home Networking Division PMU Driver
- bhndb
- Broadcom Home Networking Division interconnect bridge driver
- bhndb_pci
- Broadcom Home Networking Division PCI host bridge driver
- bktr
- Brooktree Bt848/849/878/879 and Pinnacle PCTV video capture driver
- blackhole
- a sysctl(8) MIB for manipulating behaviour in respect of refused SCTP, TCP, or UDP connection attempts
- bnxt
- Broadcom NetXtreme-C/NetXtreme-E Family Ethernet driver
- bpf
- Berkeley Packet Filter
- bridge
- if_bridge — network bridge device
- brooktree
- bktr — Brooktree Bt848/849/878/879 and Pinnacle PCTV video capture driver
- bt
- Buslogic/Mylex MultiMaster SCSI host adapter driver
- bwi
- Broadcom BCM43xx IEEE 802.11b/g wireless network driver
- bwn
- Broadcom BCM43xx SoftMAC IEEE 802.11 wireless network driver
- bxe
- QLogic NetXtreme II Ethernet 10Gb PCIe adapter driver
- bytgpio
- Intel Bay Trail SoC GPIO controller
- cam
- CAM — Common Access Method Storage subsystem
- capsicum
- Capsicum — lightweight OS capability and sandbox framework
- cardbus
- CardBus bus driver
- carp
- Common Address Redundancy Protocol
- cas
- Sun Cassini/Cassini+ and National Semiconductor DP83065 Saturn Gigabit Ethernet driver
- cbb
- pccbb — cardbus bridge driver
- cc
- cxgbe — Chelsio T4-, T5-, and T6-based 100Gb, 40Gb, 25Gb, 10Gb, and 1Gb Ethernet adapter driver
- cc_cdg
- CDG Congestion Control Algorithm
- cc_chd
- CHD Congestion Control Algorithm
- cc_cubic
- CUBIC Congestion Control Algorithm
- cc_dctcp
- DCTCP Congestion Control Algorithm
- cc_hd
- HD Congestion Control Algorithm
- cc_htcp
- H-TCP Congestion Control Algorithm
- cc_newreno
- NewReno Congestion Control Algorithm
- cc_vegas
- Vegas Congestion Control Algorithm
- ccd
- Concatenated Disk driver
- cciss
- HP Smart Array block driver
- cckd
- Hercules Compressed CKD DASD image file
- ccr
- Chelsio T6 crypto accelerator driver
- ccv
- cxgbev — Chelsio T4-, T5-, and T6-based 100Gb, 40Gb, 25Gb, 10Gb, and 1Gb Ethernet VF driver