Terminal Productivity Executive

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Terminal Productivity Executive (TPX), is a multiple session manager for IBM Mainframes. It allows connected users to access resources with a single sign-on:[1][2] It holds several sessions concurrently, allowing a person to switch among them via the single connection on their physical terminal or terminal emulator application,[3] i.e. telnet. For each session, TPX uses a virtual terminal. I.e. users can use it to switch amongst ISPF and SDSF in the TSO. It is presently a product of CA Technologies,[4] having been originally developed by Morgan Stanley, and later acquired by Duquesne Systems.[5][6] TPX is primarily used on z/OS, but a version also exists for z/VM.[7]


  1. ^ TPX Overview, docweb.cns.ufl.edu
  3. ^ Telnet SNA session with TPX Session Manager terminates due to bracketing error, Problem (Abstract), ibm.com
  4. ^ CA TPX Session Management
  5. ^ Terminal Productivity eXecutive, FOLDOC
  6. ^ Ninamary Buba Maginnis (10 November 1986). "Pittsburgh developer shows rapid growth in software mart". Computerworld. IDG Enterprise. p. 94. 
  7. ^ Solution document RI61364, CA Support Online

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