Linux man pages: Section 4

• console_codes - Linux console escape and control sequences  
• console_ioctl - ioctl's for console terminal and virtual consoles  
• dsp56k - DSP56001 interface device  
• epoll - I/O event notification facility  
• ethereal-filter - filter - Ethereal filter syntax and reference  
• fd - floppy disk device  
• fifo - first-in first-out special file, named pipe  
• full - always full device  
• futex - Fast Userspace Locking  
• hd - MFM/IDE hard disk devices  
• ibod.cf - configuration file for ibod (ISDN Bandwidth On Demand)  
• initrd - boot loader initialized RAM disk  
• intro - Introduction to special files  
• irnet - IrNET protocol device  
• isdn_audio - audio extension of ttyI ISDN character devices  
• isdnctrl - ISDN control device  
• isdninfo - ISDN status device  
• kmem - system memory, kernel memory and system ports  
• lp - line printer devices  
• mailcap - metamail capabilities file  
• md - Multiple Device driver aka Linux Software Raid  
• mem - system memory, kernel memory and system ports  
• mgettydefs - speed and terminal settings used by mgetty  
• mouse - serial mouse interface  
• mwmrc - - the Motif Window Manager Resource Description File  
• null - data sink  
• port - system memory, kernel memory and system ports  
• ptmx - pseudo-terminal master and slave  
• pts - pseudo-terminal master and slave  
• ram - ram disk device  
• random - kernel random number source devices  
• sd - Driver for SCSI Disk Drives  
• sk98lin - Marvell/SysKonnect Gigabit Ethernet driver v6.21  
• st - SCSI tape device  
• tty - controlling terminal  
• ttyI - ISDN character devices with modem emulator  
• ttyS - serial terminal lines  
• tty_ioctl - ioctls for terminals and serial lines  
• urandom - kernel random number source devices  
• vcs - virtual console memory  
• vcsa - virtual console memory  
• wavelan - AT&T GIS WaveLAN ISA device driver  
• zero - data sink