The environment variables with which you can use to control XATMI applications are listed in the following. You will find detailed descriptions of these environment variables in the openUTM manual “Creating Applications with X/Open Interfaces”.
XTLCF
Meaning 
Contains the name of the local configuration file (LCF) used
Range of values 
File name or path name that corresponds to the conventions of the operating system. If XTPALCF is used, then XTLCF may only contain a file name.
Default value xatmilcf in the directory in which the application was started.
Process 
XTLCF is evaluated in every work process at the start of the process.
XTPALCF
Meaning 
Specifies the directory under which openUTM searches for additional descriptions of typed buffers (see also the openUTM manual “Creating Applications with X/Open Interfaces”).
Range of values 
Directories specified in the following form:
Unix and Linux systems: directory1:directory2:...(separated by colons)
Windows systems: directory1;directory2;...(separated by semi-colons)
Default value 
Only search in the LCF in XTLCF (or in the file xatmilcf, if XTLCF is not set).
Process 
XTPALCF is evaluated in every work process at the start of the process.