Network File System g Architecture Client Startup Server Startup File System Operations nbmount S nbget S nbput S nbfree S nbupdat S nbread S nbwrite S nbstat S nbtrunc S nbnami S nbdirread S nbioctl S Permissions client machine client name debugging file system g file system switch entry s group ids log file mapping table maximum message size mount point nami cache network connection network message structures s kernel getpeername S BSD s zarf.log S /usr/netb c ipc c TCP remote file system server grp name server hash list s server machine server usr name user id device number /usr/netb/friends c daemon /n c nbopen S fmount S nbget S nami S stat S fchmod S chmod S creat S unlink S rmdir S link S ~create setup G mkdir G streams messages s Datakit ioctl S utime S zarf S /usr/netb/except c