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.TH INIT 8
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.SH NAME
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init \- initialize machine upon booting
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.SH SYNOPSIS
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.B /$cputype/init
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[
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.B -ctm
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] [
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.I command ...
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]
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.SH DESCRIPTION
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.I Init
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initializes the machine: it establishes the name space (see
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.IR namespace (4)
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and
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.I newns
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in
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.IR auth (2)),
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and environment (see
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.IR env (3))
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and starts a shell
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.RI ( rc (1))
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on the console.
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If a
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.I command
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is supplied, that is run instead of the shell.
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On a CPU server the invoked shell runs
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.IR cpurc (8)
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before accepting commands on the console;
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on a terminal, it runs
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.IR termrc
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and then the user's profile.
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Options
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.B -t
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(terminal)
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and
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.B -c
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(CPU)
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force the behavior to correspond to the specified service class.
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Otherwise the default is CPU.
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.PP
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.I Init
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sets environment variables
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.B $service
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(to
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.L terminal
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or
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.LR cpu ),
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.B $objtype
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(to the value of
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.BR $cputype ),
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.B $user
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(to the contents of
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.BR #c/user ),
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and
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.B $timezone
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(to the contents of
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.BR /adm/timezone/local ).
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.PP
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With option
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.B -m
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.I init
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starts only an interactive shell
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regardless of the
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.I command
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or service class.
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.PP
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On a CPU server,
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.I init
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requires the machine's password to be supplied before starting
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.I rc
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on the console.
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.PP
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.I Init
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is invoked by
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.IR boot (8),
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which sets the arguments as appropriate.
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.SH SOURCE
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.B /sys/src/cmd/init.c
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.SH "SEE ALSO"
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.IR rc (1),
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.IR auth (2),
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.IR boot (8)