ref: fac5be2d2eba924b0a78065c9636341b33974e24
dir: /sys/doc/fs/p1/
.SH Process Structure .PP The Plan 9 file system server is made from an ancient version of the Plan 9 kernel. The kernel contains process control, synchronization, locks, and some memory allocation. The kernel has no user processes or virtual memory. .PP The structure of the file system server is a set of kernel processes synchronizing mostly through message passing. In .I fs64 there are 27 processes of 11 types: .KS .TS center ; c l c n lf(CW) l . number name function _ 15 srv Main file system server processes 1 rah Block read-ahead processes 1 scp Sync process 1 wcp WORM copy process 1 con Console process 1 ilo IL protocol process 1 ilt IL timer process 2 ethi Ethernet input process 2 etho Ethernet output process 1 flo Floppy disk process 1 snt sntp clock-synchronisation process .TE .KE