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Merge in kdb-common patch for 2.6

.TH ENV 1 "24 September 2000"
.SH NAME
env, set \- Environment manipulation commands
.SH SYNOPSIS
env
.LP
set \fIenvironment-variable\fP=\fIvalue\fP
.SH DESCRIPTION
The kernel debugger contains an environment which contains a series
of name-value pairs.  Some environment variables are known to the
various kernel debugger commands and have specific meaning to the
command; such are enumerated on the respective reference material. 
.P
Arbitrary environment variables may be created and used with 
many commands (those which require an \fIaddress-expression\fP).
.P
The
.B env
command is used to display the current environment.
.P
The
.B set
command is used to alter an existing environment variable or
establish a new environment variable.   
.SH LIMITATIONS
There is a compile-time limit of 33 environment variables.
.P
There is a compile-time limit of 512 bytes (\fBKDB_ENVBUFSIZE\fP)
of heap space available for new environment variables and for
environment variables changed from their compile-time values.
.SH ENVIRONMENT
These commands explicitly manipulate the environment.
.SH SMP CONSIDERATIONS
None.
.SH USER SETTINGS
You can include "set" commands in kdb/kdb_cmds (see kdb.mm) to define
your environment variables at kernel startup.
.SH EXAMPLES
.TP 8
env
Display current environment settings.

.TP 8
set IDCOUNT=100
Set the number of lines to display for the \fBid\fP command
to the value \fI100\fP.