IND$FILE

IND$FILE is a file transfer program from IBM that was first released in 1983 to allow the transfer of files between an IBM PC running the IBM 3270 emulator (PC/3270) and a VSE, MVS or VM/CMS mainframe.{{cite book|author1=Robert Orfali|author2=Dan Harkey|title=Client/server programming with OS/2 2.1|url=https://books.google.com/books?id=wbhQAAAAMAAJ|date=September 1993|publisher=Van Nostrand Reinhold|isbn=978-0-442-01833-7|page=128}}{{citation|author=Frank J. Derfler, Jr.|title=Building Workgroup Solutions: Direct Token-Ring to Mainframe Connections|url=https://books.google.com/books?id=ySO4VbD0-mcC&pg=PT211|series=PC Mag|date=30 January 1990|publisher=Ziff Davis, Inc.|pages=195, 206|issn=0888-8507}}[http://gsf-soft.com/Documents/IND$FILE.html IND$FILE Utility Program for VSE, MVS, and VM/CMS]{{cite book|author=Ed Taylor|title=The Network Troubleshooting Handbook|year=1999|publisher=McGraw-Hill|isbn=978-0-07-134228-5|page=154}}{{cite book|author=Merv Adrian|title=The Workstation Data Link|year=1988|publisher=Intertext Publications McGraw-Hill Book Company|isbn=978-0-07-000474-0|page=217}}{{cite book|author1=Robert Bruce Thompson|author2=Dan Balter|title=Windows NT Workstation 4.0 Internet & Networking Handbook|year=1996|publisher=Que|isbn=978-0-7897-0817-5|page=166}}{{cite book|author=Ed Taylor|title=Networking Handbook|date=January 2000|publisher=McGraw-Hill|isbn=978-0-07-135451-6|page=456}}{{cite book|author=William Marion|title=Client/Server Strategies: Implementations in the IBM Environment|year=1994|publisher=McGraw-Hill|isbn=978-0-07-040539-4|pages=[https://archive.org/details/clientserverstra0000mari/page/55 55–56]|url=https://archive.org/details/clientserverstra0000mari/page/55}} IND$FILE originally worked only with the SEND and RECEIVE commands of the 3270 PC emulator, but today most terminal emulators that have a 3270 mode include it.

In the UK, it is also known as IND£FILE, since in the EBCDIC code pages used in the UK the pound sign occupies the position the dollar sign takes in US codepages.{{cite book|author1=Philip H. Smith (III.)|author2=Gabriel Goldberg|title=The VM/ESA User's and Applications Handbook|year=1994|publisher=McGraw-Hill|isbn=978-0-07-023703-2|page=354}}