Overview of MINIX3 servers and drivers

System components loaded in boot image:

• kernel: Kernel + clock + system (+ idle + asyncm) + IPC
• pm: Process manager
• vfs: Virtual File system
• rs: Reincarnation Server - (re)starts servers and drivers
• memory: RAM disk driver
• sched: Scheduler server
• tty: Console and keyboard driver
• ds: Data Store Server
• vm: Virtual Memory manager
• mib: Management Information Service server - handles sysctl
• pfs: Pipe File System server
• mfs: Minix File System server - for the ramdisk
• init: parent of all user processes

Loaded by /etc/rc:

• pci: PCI bus driver
• input: Keyboard/mouse input server (/dev/kbdX, dev/mouseX)
• pckbd: Keyboard driver
• floppy: Floppy driver(if booted from hard disk) (/dev/fdXpY)
• at_wini or ahci: Disk controller driver (/dev/cXdYpZsW)
• procfs: Process File System server
• is: Information server (for debug dumps)
• readclock.drv: manipulate the hardware real time clock
• devman:  device manager for hot-plugging of hardware (with devmand daemon) (/sys)
• lance: NIC driver
• inet or lwip: TCP/IP protocol stack server (/dev/ethX /dev/ipX /dev/tcpX )
• random: Random number generator (/dev/random)
• pty: pseudo terminal driver (/dev/ptypX)
• uds: Unix Domain Sockets driver (for /dev/uds)
• ipc: Sys V IPC server (exists parallel to native minix IPC in kernel)
• log: Buffers log output (/dev/klog)
• …