String and stroke devices are only supported on the IBM 3270-PC/G and
   3270-PC/GX workstations, and IBM 5080 Graphics System.

Subtopics:

• 4.11.1 Choice devices
• 4.11.2 Locator devices (GSILOC)
• 4.11.3 Pick devices (GSIPIK)
• 4.11.4 Stroke devices (GSISTK)
• 4.11.5 String devices (GSISTR)