Section 4
- s3 · S3 video driver
- s3virge · S3 ViRGE video driver
- sa · SCSI Sequential Access device driver
- sab · Infineon SAB82532 (ESCC2) serial communications driver
- safe · SafeNet crypto accelerator
- safexcel · Inside Secure SafeXcel-IP-97 cryptographic offload engine
- sambat · Samsung laptop battery monitor
- samsabi · Samsung laptop keyboard backlight
- savage · S3 Savage video driver
- sb · SoundBlaster family audio device
- sbbc · PCI BootBus Controller
- sbni · Granch SBNI12 leased line modem driver
- sbp · Serial Bus Protocol 2 (SBP-2) Mass Storage Devices driver
- sbp_targ · Serial Bus Protocol 2 (SBP-2) Target Mode devices driver
- sbsh · Granch SBNI16 SHDSL modem device driver
- sbus · introduction to SBus bus support
- sc · the console driver
- scbus · CAM SCSI subsystem
- scc · Serial Communications Controller driver
- scd · Sony CDU31/33 CD-ROM driver
- sched_4bsd · 4.4BSD scheduler
- sched_ule · ULE Scheduler
- schizo · SPARC64 Host/PCI bridge
- schsio · SMSC SCH311x LPC Super I/O
- scmi · System Control and Management Interface
- screen · pc display interface
- screensaver · splash screen / screen saver interface
- script · Boot script
- SCSI · CAM SCSI subsystem
- scsi · CAM SCSI subsystem
- sctp · Internet Stream Control Transmission Protocol
- sd · driver for SCSI disk drives
- sdhc · SD Host Controller
- sdhci · PCI SD Host Controller bridge driver
- sdmmc · SD bus
- sdtemp · SO-DIMM (JC-42.4) temperature sensor
- se · SiS 190/191 10/100/1Gb Ethernet device
- sec · route based IPsec VPN tunnel interface pseudo-device
- sem · POSIX semaphores
- send · Kernel side support for Secure Neighbor Discovery (SeND)
- serial_cs · PCMCIA serial port driver
- serverdefs
- ses · SCSI Environmental Services driver
- sf · Adaptec AIC-6915 "Starfire" PCI Fast Ethernet adapter driver
- sfcc · SiFive L2 cache controller
- sfclock · SiFive Clock and Reset Control
- sfgpio · SiFive GPIO controller
- sfuart · SiFive Universal Asynchronous Receiver/Transmitter
- sfxge · Solarflare 10Gb Ethernet adapter driver
- sg · Linux ioctl-compatible SCSI passthru device
- sge · Silicon Integrated Systems SiS190/191 Fast/Gigabit Ethernet driver
- sgmsi · Sophgo MSI controller
- shpcic · landisk SuperH PCI-Host Bridge
- si · driver for Specialix International SI/XIO or SX intelligent serial card
- siba · Sonic Inc. Silicon Backplane driver
- siftr · Statistical Information For TCP Research
- siis · SiliconImage Serial ATA Host Controller driver
- sili · Silicon Image 3124/3132/3531 SATA controller
- siliconmotion · Silicon Motion video driver
- simpleamp · simple audio amplifier
- simpleaudio · simple audio card
- simplebus · ePAPR simple-bus driver
- simplefb · simple frame buffer
- simplepanel · simple panel display
- sio · fast interrupt driven asynchronous serial communications interface
- siop · LSI/Symbios Logic/NCR 53c8xx SCSI interface
- sis · SiS and XGI video driver
- sisusb · SiS USB video driver
- sk · SysKonnect SK-984x and SK-982x PCI Gigabit Ethernet adapter driver
- sk98lin · Marvell/SysKonnect Gigabit Ethernet driver v6.21
- skey · One-time Passwords In Everything
- skgpio · Soekris net6501 GPIO and LEDs
- sl · slip network interface
- sm · SMC91C9x and SMC91C1xx-based 10/100 Ethernet device
- smapi · System Management Application Program Interface driver
- smartpqi · Microchip Smart Storage SCSI driver
- smb · SMB generic I/O device driver
- smbfs · server message block (SMB1/CIFS) file system
- smbios · System Management BIOS
- smbus · System Management Bus
- smc91c92_cs · SMC 91cxx device driver
- SMP · description of the FreeBSD Symmetric Multi-Processor kernel
- smp · description of the FreeBSD Symmetric Multi-Processor kernel
- smsc · USB Microchip LAN9xxx Fast Ethernet driver
- smtclock · SpacemiT clock controller
- smtcomphy · SpacemiT PCIe 2.0 and USB 3.0 PHY
- smte · SpacemiT K1 EMAC 10/100/1Gb Ethernet device
- smtgpio · SpacemiT GPIO controller
- smtiic · SpacemiT I2C controller
- smtpinctrl · SpacemiT K1 pin configuration
- smtpmic · SpacemiT P1 Power Management IC
- smu · Apple System Management Unit Driver
- sn · Ethernet driver for SMC91Cxx based cards
- snapper · Apple snapper audio device
- snc · National Semiconductor DP8393X SONIC Ethernet adapter driver
- sncodec · Texas Instruments TAS2764 digital amplifier
- snd · FreeBSD PCM audio device infrastructure
- snd_ad1816 · Analog Devices AD1816 ISA bridge device driver
- snd_ai2s · Apple I2S audio device driver
- snd_ak452x · VIA Envy24 and compatible bridge device driver
- snd_als4000 · Avance Logic ALS4000 PCI bridge device driver
- snd_atiixp · ATI IXP bridge device driver
- snd_cmi · CMedia CMI8338/CMI8738 PCI bridge device driver
- snd_cs4281 · Crystal Semiconductor CS4281 PCI bridge device driver
- snd_csa · Crystal Semiconductor CS461x/462x/4280 PCI bridge device driver
- snd_davbus · Apple Davbus audio device driver
- snd_ds1 · Yamaha DS-1 PCI bridge device driver
- snd_dummy · Dummy audio driver
- snd_emu10k1 · SoundBlaster Live! and Audigy PCI bridge device driver
- snd_emu10kx · Creative SoundBlaster Live! and Audigy sound cards device driver
- snd_envy24 · VIA Envy24 and compatible bridge device driver
- snd_envy24ht · VIA Envy24HT and compatible bridge device driver
- snd_es137x · Ensoniq AudioPCI ES137x bridge device driver
- snd_ess · Ensoniq ESS ISA PnP/non-PnP bridge device driver
- snd_fm801 · Forte Media FM801 bridge device driver
- snd_gusc · Gravis UltraSound ISA bridge device driver
- snd_hda · Intel High Definition Audio bridge device driver
- snd_hdsp · RME HDSP bridge device driver
- snd_hdspe · RME HDSPe bridge device driver
- snd_ich · Intel ICH PCI and compatible bridge device driver
- snd_maestro · ESS Maestro bridge device driver
- snd_maestro3 · ESS Maestro3/Allegro-1 bridge device driver
- snd_neomagic · NeoMagic 256AV/ZX bridge device driver
- snd_sbc · Creative Sound Blaster ISA and compatible bridge device driver
- snd_solo · ESS Solo-1/1E PCI bridge device driver
- snd_spicds · I2S SPI audio codec driver
- snd_t4dwave · Trident 4DWave bridge device driver
- snd_uaudio · USB audio device driver
- snd_via8233 · VIA Technologies VT8233 bridge device driver
- snd_via82c686 · VIA Technologies 82C686A bridge device driver
- snd_vibes · S3 SonicVibes bridge device driver
- sndstat · nvlist-based PCM audio device enumeration interface
- snp · tty snoop interface
- softraid · software RAID
- sound · FreeBSD PCM audio device infrastructure
- spc · Fujitsu MB87030/MB89352 SCSI device
- spdmem · Serial Presence Detect memory
- speaker · console speaker device driver
- spic · Sony Programmable I/O Controller device driver
- spif · SBus (spiffy) Serial/Parallel Interface
- spigen · SPI generic I/O device driver
- spkr · console speaker device driver
- spl · parameters of the SPL kernel module
- splash · splash screen / screen saver interface
- sppp · point to point protocol network layer for synchronous lines
- sqphy · Seeq 80220/80221, 80223, 80225 and 84220 10/100 Ethernet PHY
- sr · synchronous RISCom/N2 / WANic 400/405 device driver
- ssdfb · Solomon Systech SSD1306/SSD1309 OLED display module
- ssio · National Semiconductor PC87560 Legacy IO
- ssm · Scalable Shared Memory
- st · SCSI tape device
- stderr · file descriptor files
- stdin · file descriptor files
- stdout · file descriptor files
- ste · Sundance Technologies ST201 Fast Ethernet device driver
- stf · 6to4 tunnel interface
- stfclock · StarFive JH7100/JH7110 clock controller
- stfpcie · StarFive JH7110 Host/PCIe bridge
- stfpciephy · StarFive JH7110 PCIe 2.0 and USB 3.0 PHY
- stfpinctrl · StarFive JH7100/JH7110 pin configuration
- stfrng · StarFive JH7110 random number generator
- stg · driver for Future Domain based SCSI controllers
- stge · Sundance/Tamarack TC9021 Gigabit Ethernet adapter driver
- sti · HP Standard Text Interface
- stp · SBus PCMCIA bridge
- streams · System V STREAMS networking ABI support
- sume · NetFPGA SUME 4x10Gb Ethernet driver
- superio · Super I/O controller and bus driver
- sv · S3 SonicVibes audio device
- svr4 · System V Release 4 ABI support
- SW_WATCHDOG · hardware and software watchdog
- swish++
- swish++.conf · SWISH++ configuration file format
- swish++.index · SWISH++ index file format
- sxiccmu · Allwinner clock control module device
- sxidog · A1X/A20 watchdog timer device
- sxie · A1X/A20 EMAC 10/100 Ethernet device
- sxiintc · A1X interrupt controller device
- sximmc · SD/MMC controller
- sxipio · Allwinner GPIO controller
- sxipwm · Allwinner PWM controller
- sxirintc · Allwinner wakeup interrupt controller
- sxirsb · Allwinner Reduced Serial Bus controller
- sxirtc · Allwinner real-time clock
- sxisid · Allwinner security ID
- sxisyscon · System controller
- sxitemp · Allwinner temperature monitor
- sxitimer · A1X/A20 timer device
- sxits · Allwinner touchpad controller
- sxitwi · Allwinner Two Wire Interface
- sym · NCR/Symbios/LSI Logic 53C8XX PCI SCSI host adapter driver
- synaptics · touchpad input driver
- syncache · sysctl(8) MIBs for controlling TCP SYN caching
- syncer · file system synchronizer kernel process
- syncookies · sysctl(8) MIBs for controlling TCP SYN caching
- sypwr · Silergy SY8106A voltage regulator
- sysbutton · Xserve G4 and G5 front system identifier button
- syscon · System controller
- syscons · the console driver
- sysmouse · virtualized mouse driver
- sysreg · ARM Motherboard Express microATX system registers