informix The type of your terminal is unknown to the system or the screen size is,too small

informix
informix@ubuntu:~$ dbaccess
The type of your terminal is unknown to the system or the screen size is
too small

解决:
ox0spy@ubuntu:~$ tail -n 4 /etc/profile
TERMCAP=$INFORMIXDIR/etc/termcap
export TERMCAP
INFORMIXTERM=termcap
export INFORMIXTERM