keepalive timer Kernel atomic operations device drivers 2nd file systems hardware interrupts managing network packets in memory management memory management in network proc file system process management SLIP implementation in timing Kernel module, example for Kernel modules managing passing parameters when loading a module registering/unregistering module functionality symbol tables of the kernel and modules Kernel panic kfree_skb() kfree_skbmem() KIDS QoS support Kleinrock, Leonard ksym symbol table Kuznetsov, Alexey