.TH SYSENV 1
.SH NAME
sysenv \- request system boot parameter
.SH SYNOPSIS
.B sysenv
.I boot-variable
.SH DESCRIPTION
.B Sysenv
requests the value of a boot variable.  For example
.B "sysenv\ memsize"
returns the number of kilobytes of "normal" memory.  Note that some
parameters have undergone "device translation" from a device name to
a decimal device number.
.SH "SEE ALSO"
.BR sysenv (2),
.BR monitor (8),
.BR boot (8).
.SH DIAGNOSTICS
Exit code 0 with the variable's value printed to standard output if the
variable exists in the boot environment, exit code 2 if the variable is not
set, and exit code 1 with an appropriate error message for any kind of
error.
.SH BUGS
Can't be used to list the entire environment.
.SH AUTHOR
Kees J. Bot (kjb@cs.vu.nl)