{{page>en:templates:dosint}} ====== Int 27H ====== ===== Version ===== 1 and higher ===== Brief ===== TERMINATE AND STAY RESIDENT ===== Family API ===== ===== Input ===== DX = number of bytes to keep resident (max FFF0h) CS = segment of PSP ===== Return ===== never ===== Macro ===== ===== Notes ===== this is an obsolete call INT 22, INT 23, and INT 24 are restored from the PSP does not close any open files the minimum number of bytes which will remain resident is 110h for DOS 2.x and 60h for DOS 3.0+; there is no minimum for DOS 1.x, which implements this service in COMMAND.COM rather than the DOS kernel ===== See Also ===== INT 21/AH=31h ===== Note ===== Text based on [[http://www.cs.cmu.edu/~ralf/files.html|Ralf Brown Interrupt List Release 61]] {{page>en:templates:int}} {{page>en:templates:fapi}}