Terminates the access to a file or device
Implemented by: ansifull, decbasic, Applesoft, CBM, Atari, msatari, trsdisk, level3, trscolor, spectrum, GWBASIC, MSX, bwbasic, bw32, ABasiC, QBasic, VBDOS, FreeBASIC, Gambas, minibasicjs
With variations: BBC (as CLOSE#)
Also written as: