28 lines
830 B
Groff
28 lines
830 B
Groff
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.TH SYSENV 1
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.SH NAME
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sysenv \- request system boot parameter
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.SH SYNOPSIS
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.B sysenv
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.RI [ boot-variable "] ..."
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.SH DESCRIPTION
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.B Sysenv
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requests the value of one or more boot variables. For example
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.B "sysenv\ memory"
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returns the list of free memory at system startup. Note that some
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parameters have undergone "device translation" from a device name to
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a decimal device number.
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.PP
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If no variable names are given then the entire boot environment is
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listed.
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.SH "SEE ALSO"
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.BR svrctl (2),
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.BR monitor (8),
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.BR boot (8).
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.SH DIAGNOSTICS
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Exit code 0 with the variable's value printed to standard output if all
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requested variables exist in the boot environment, exit code 1 on any
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weird error, exit code 2 if one of the variables is not set, and exit
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code 3 if both kind of errors occurred.
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.SH AUTHOR
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Kees J. Bot (kjb@cs.vu.nl)
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