Hello world/Line printer
BASIC
<lang qbasic>LPRINT "Hello World!"</lang>
Batch File
<lang dos>ECHO Hello world!">PRN</lang>
UNIX Shell
<lang bash>echo 'Hello World!'|lp</lang>
<lang qbasic>LPRINT "Hello World!"</lang>
<lang dos>ECHO Hello world!">PRN</lang>
<lang bash>echo 'Hello World!'|lp</lang>