Hello world/Line printer

BASIC

Works with: QBasic

<lang qbasic>LPRINT "Hello World!"</lang>

Batch File

<lang dos>ECHO Hello world!">PRN</lang>

Tcl

On Unix only: <lang tcl>exec lp << "Hello World!"</lang> or <lang tcl>set f [open |lp w] puts $f "Hello World!" close $f</lang> On Windows only: <lang tcl>set f [open prn w] puts $f "Hello World!" close $f</lang>

UNIX Shell

Works with: Bourne Shell

<lang bash>echo 'Hello World!'|lp</lang>