Section 4
- p9fs · 9P file system
- padlock · VIA and Zhaoxin CPU crypto driver
- PAE · Physical Address Extensions
- pae · Physical Address Extensions
- pair · virtual Ethernet interface pair
- palmax · Palmax (TR88L803) touchscreen driver
- pas · Media Vision Pro AudioSpectrum audio device
- pass · CAM application passthrough driver
- patm · device driver for IDT77252 based ATM interfaces (ProSum and IDT)
- pbio · 8255 parallel peripheral interface basic I/O driver
- pca954x · driver for PCA9548A I2C switch
- pcagpio · Philips PCA955[4567] GPIO controller
- pcaled · Philips PCA9532/PCA9552 GPIO LED dimmer
- pcamux · Philips PCA954[678] I2C switch/mux
- pccard · PC Card bus driver
- pccbb · cardbus bridge driver
- pcdisplay · PC display adapter driver for wscons
- pcexmem · NEC PC-9801 extension board slot
- pcf · Philips I2C bus controller
- pcf8574 · driver for the PCF8574 8-bit I2C IO expander
- pcf8591 · driver for the PCF8591 8-bit A/D and D/A converter
- pcfadc · Philips PCF8591 temperature sensor
- pcfiic · Philips PCF8584 I2C controller
- pcfrtc · NXP PCF8523 real-time clock
- pchb · PCI-Host Bridge
- pchgpio · Intel PCH GPIO controller
- pchtemp · Intel PCH temperature sensor
- pchtherm · Intel PCH thermal subsystem
- pci · generic PCI driver
- pcib · PCI bridge driver
- pcibios · introduction to PCI BIOS support
- pcic · PC Card bridge driver
- pciide · PCI IDE controller driver
- pckbc · PC (ISA) keyboard controller driver
- pckbd · PC keyboard driver for wscons
- pcm · FreeBSD PCM audio device infrastructure
- pcmcia · introduction to PCMCIA (PC Card) support
- pcmcia_core · PCMCIA Card Services core module
- pcmem_cs · PCMCIA memory card driver
- pcn · AMD PCnet/PCI Fast Ethernet device driver
- pcnet_cs · generic NS8390-based PCMCIA Ethernet Driver
- pcons · SPARC64 PROM console interface
- pcp.conf · the Performance Co-Pilot configuration and environment file
- pcp.env · script to set Performance Co-Pilot run-time environment variables
- pcppi · PC (ISA) control and timer port driver
- pcscp · Advanced Micro Devices Am53c974 PCscsi-PCI SCSI interface
- pctr · driver for CPU performance counters
- pcvt · VT220 virtual screen system console
- pcxrtc · NXP PCF8563 real-time clock
- pcyrtc · NXP PCF85063A/TP real-time clock
- pdb · (Pilot Database) file format
- pdc · Processor-Dependent Code firmware driver
- penmount · PenMount input driver
- perfmon · CPU performance-monitoring interface
- pf · packet filter
- pflog · packet filter logging interface
- pflow · kernel interface for pflow data export
- pfsync · packet filter state table logging interface
- PGABuildDatatype · Build an MPI datatype for string p in population pop.
- PGAGetCommunicator · Returns the default communicator used when PGARun is called.
- PGAGetNumProcs · Returns the size of communicator comm in processes.
- PGAGetRank · Returns the rank of the processor in communicator comm. If comm is NULL or a sequential version of PGAPack is used, PGAGetRank() returns 0.
- PGAReceiveIndividual · receive an individual from another process
- PGASendIndividual · transmit an individual to another process
- PGASendReceiveIndividual · Send an individual to a process, while receiving a different individual from a different process.
- PGASetCommunicator · Set the default communicator to use when PGARun is called.
- pgs · programmer's switch
- pgt · Conexant/Intersil Prism GT Full-MAC IEEE 802.11a/b/g wireless network device
- phantomas · Phantom PseudoBC GSC+ Port
- phb · IODA PCIe host bridge
- piic · Apple via-pmu I2C controller
- piixpm · Intel PIIX SMBus controller
- pijuice · PiJuice HAT UPS
- pim · Protocol Independent Multicast
- pinctrl · generic pin multiplexing
- pipex · PPP IP EXtension to handle IP/PPP frames in-kernel
- plan · database file of plan(1)
- platforms.descr · Platform descriptions for Gwydion Dylan
- plgpio · ARM PrimeCell PL061 GPIO controller
- plic · Platform-Level Interrupt Controller
- plip · printer port Internet Protocol driver
- plrtc · ARM PrimeCell PL031 real-time clock
- pluart · ARM PrimeCell PL011 UART
- pmc · power management controller
- pmieconf · generalized pmie rules and customizations
- pmns · the performance metrics name space
- pms · PMC-Sierra PM8001/8081/8088/8089/8074/8076/8077 SAS/SATA HBA Controller driver
- pmspcv · PMC-Sierra PM8001/8081/8088/8089/8074/8076/8077 SAS/SATA HBA Controller driver
- pmu · Apple PMU99 Power Management Driver
- pnfs · NFS Version 4.1 and 4.2 Parallel NFS Protocol
- pnfsserver · NFS Version 4.1 and 4.2 Parallel NFS Protocol Server
- pnp · support for “Plug and Play” (PnP) ISA devices
- pnpbios · support for embedded devices on the motherboard
- polling · device polling support
- port · system memory, kernel memory and system ports
- power · power button and power fail support
- powermac_nvram · non-volatile RAM
- ppb · PCI-PCI bridge
- ppbus · Parallel Port Bus system
- ppc · Parallel Port Chipset driver
- ppi · user-space interface to ppbus parallel 'geek' port
- ppm · SPARC64 PPM
- ppp · point to point protocol network interface
- pppoe · PPP Over Ethernet protocol network interface
- pppx · PPP multiplexer device
- prcm · Texas Instruments power, reset and clock management device
- procdesc · process descriptor facility
- procfs · process file system
- proto · Generic prototyping and diagnostics driver
- prtc · PROM real-time clock
- ps4dshock · Sony PlayStation 4 Dualshock 4 gamepad driver
- ps5dsense · Sony PlayStation 5 DualSense gamepad driver
- psci · Power State Coordination Interface
- psm · PS/2 mouse style pointing device driver
- psp · AMD Platform Security Processor
- pst · device driver for Promise Supertrak SX6000
- psycho · SPARC64 Host/PCI bridge
- pt · SCSI processor type driver
- ptmx · pseudoterminal master and slave
- ptnet · Ethernet driver for passed-through netmap ports
- pts · pseudoterminal master and slave
- pty · pseudo terminal driver
- puc · PCI “Universal” Communications driver
- pvbus · paravirtual device tree root
- pvclock · paravirtual clock driver
- pvscsi · VMware Paravirtual SCSI Controller
- pwdog · Quancom PWDOG1 watchdog timer device
- pwmbl · PWM backlight controller
- pwmc · PWM (Pulse Width Modulation) control device driver
- pwmfan · PWM fan controller
- pwmleds · PWM LEDs
- pwmreg · PWM voltage regulator
- pyro · SPARC64 Host/PCIe bridge