This is a partial list of options. At some point in the near future, the options (4) man page will describe machine-independent options in the config file. For more information, see the source code. Please keep in mind that some of these options work only in NetBSD-current.
options MAXFDESCS=2048 # Standard paging options options SWAPPAGER # Pager for processes (normal swap) [Required] options VNODEPAGER # vnode pager (mapped files) [Required] options DEVPAGER # device pager (mapped devices) [Required] # Debugging options options DIAGNOSTIC # DEBUG for extra kernel debugging options KTRACE # system call tracing support options KGDB # support for kernel gdb options GDB # support for normal gdb options KGDBDEV=0xc01, KGDBRATE=38400 # device & baud rate options SCSIDEBUG # SCSI device debugging support options SYSCALL_DEBUG # debug all syscalls options NCR5380_DEBUG # debugging for the ncr5380 driver options SBC_DEBUG # debugging for the sbc driver # Filesystem options options FIFO # POSIX fifo support (in all filesystems) options DDB # Debugger support options FFS # BSD Fast File System options QUOTA # user and group quotas (with FFS) options FASTLINKS # fast symbolic links in FFS options MFS # memory-based filesystem options NULLFS # Null (formerly loop-back) filesystem options CD9660 # ISO-9660 w/ RockRidge support options KERNFS # kernel data-structure filesystem options FDESC # user file descriptor filesystem options UMAPFS # uid/gid remapping filesystem options UNION # union file system options LFS # Log-based filesystem (still experimental) options PORTAL # portal filesystem (still experimental) options PROCFS # Process filesystem options NFSSERVER # Sun NFS-compatible filesystem server support options NFSCLIENT # Sun NFS-compatible filesystem client support options LKM # Loadable Kernel Modules options SCSI # SCSI device support # Networking options options INET # internet/IP services (IP/ICMP/TCP/UDP) options TCP_COMPAT_42 # backwards 4.2BSD TCP/IP compatibility options GATEWAY # IP packet forwarding options DIRECTED_BROADCAST # Broadcast across subnets options ISO # OSI networking options TPIP # TPIP OSI options EON # OSI tunneling over IP options COMPAT_42 # backwards 4.2BSD compatibility options COMPAT_43 # backwards 4.3BSD compatibility options NS # XNS (Xerox) networking options NSIP # XNS over IP options CCITT,LLC,HDLC # X.25 networking options MULTICAST # multicast options MROUTING # Multicast routing support options TUN # tunnelling options PPP_BSDCOMP,PPP_DEFLATE # BSD compression for PPP # Memory options options MAPMEM # ??? options SYSVSHM # System V shared memory options SYSVSEM # System V semaphores; see sem.h options SYSVMSG # System V message queues; see msg.h options SHMMAXPGS=1024 # 1024 pages is the default # Compatibility options options COMPAT_NOMID # compat with 386BSD, BSDI, NetBSD 0.8 options COMPAT_SUNOS # non-contiguous memory hole (640k-1MB) options COMPAT_09 # backwards NetBSD-0.9 compatibility options COMPAT_10 # backwards NetBSD-1.0 compatibility options COMPAT_11 # backwards NetBSD-1.1 compatibility options COMPAT_12 # backwards NetBSD-1.2 compatibility options COMPAT_M68K4K # compatibility with NetBSD/m68k4k binaries # Mac-specific options options M68040 # Motorola 68040 support options M68030 # Motorola 68030 support options M68020 # Motorola 68020 + 68851 PMMU support options FPSP # MC68040 floating point software package options FPU_EMULATE # FPE (Floating Point Emulation support) options MACHINE_NONCONTIG # support for noncontig memory options ZS_CONSOLE_ABORT # serial console abort options DISABLE_EXT_CACHE # Don't use IIci external cache # Miscellaneous options options GENERIC # Generic device configuration support options UCONSOLE # users can redirect console (unsafe) options INSECURE # disable kernel security level options NTP # NTP phase/frequency locked loop options ACCOUNTING # process accounting # Enable the hooks used for initializing the ram-disk options RAMDISK_HOOKS # ??? options MINIROOTSIZE=512 # 256K ???
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