X3270/Environment variables

From The x3270 Wiki

Environment variables that affect the behavior of x3270.

DISPLAY
Standard X11 variable specifying the display.
3270PRO
Path of profile file, containing resource definitions. Merged after reading the system resource database, but before the file specified by X3270RDB. Defaults to $HOME/.x3270pro.
NOX3270PRO
If set, do not read the profile.
X3270RDB
Additional resource definitions, merged after the profile file but before the command-line options.
KEYMAP
Keymap name.
KEYBD
Keymap name.
USER
Supplies the value returned to the host for the USER NEW-ENVIRONMENT variable.
IBMAPPLID
Supplies the value returned to the host for the IBMAPPLID NEW-ENVIRONMENT user variable, which otherwise defaults to None. New in 4.3

See also

Environment variables set by x3270