Counld not able to run Data display debugger

manish rai <[email protected]>
Newsgroups gmane.comp.gnu.utils.bugs
Message-ID <[email protected]>
Hi
    My name is manish, and i am also developer in UNIX system. when i am trying to use DDD its giving mean error:-

ddd (Binary Name)
Error: Can't open display:

Could you please tell me why is this.

Thanks
Manish
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