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FT_CHDIR() Change the current directory FT_DEFAULT() Retrieve and optionally change the current default drive FT_DOSVER() Return the current DOS major and minor version as a string FT_DSKFREE() Return the amount of available disk space FT_DSKSIZE() Return the maximum capacity of a fixed disk FT_FLOPTST() Test diskette drive status FT_HANDCNT() Count number of available DOS (not network) file handles FT_INP() Retrieve a byte from a specified I/O port FT_INT86() Execute a software interrupt FT_ISPRINT() Check printer status FT_ISSHARE() Determine if DOS "Share" is installed FT_MKDIR() Create a subdirectory FT_OUTP() Write a byte to a specified I/O port FT_PEEK() Retrieve a byte from a specified memory location. FT_POKE() Write a byte to a specified memory location FT_REBOOT() Force a warm or cold boot FT_RMDIR() Delete a subdirectory FT_SETDATE() Set the DOS system date FT_SETTIME() Set the DOS system time FT_SYSMEM() Determine the amount of conventional memory installed FT_TEMPFIL() Create a file with a unique name
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