[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Z] uax command, process memory consumption UDP ( User Datagram Protocol) compared to TCP UFS (Unix Filesystem) buffer cache caching cluster size inode cache inodes overview ufs write throttling (disks) ulimit command, user limits Ultra-ATA UltraDMA UltraSPARC Port Architecture switched interconnect (UPA) UltraSPARC processors, memory page size UltraSPARC-III architecture compiler flags UMA (uniform memory access) unicast network traffic unit stride, programming code and Universal Serial Bus (USB) Unix books about memory swapping Unix Filesystem [See UFS] unswitched networks, resolving collision problems UPA (UltraSPARC Port Architecture switched interconnect) uptime command, processor load average usage and performance agreements USB (Universal Serial Bus) User Datagram Protocol (UDP) user defined benchmarks automation considerations problem set selection rule creation runtime selection user time (processor) user-space NFS servers users disk quotas educating environmental limits limitations on supported, setting number of usage and performance agreements utilization, resources UTP ( unshielded twisted-pair) cabling |