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.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
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