run /0 copy mytext.txt mylonglongtext.txt or run copy mytext.txt mylonglongtext.txtThe response was "Duplicate file name or file not found"
x = FCREATE( "mylonglongtext.txt" ) = FPUTS( x, "Hello World" ) = FPUTS( x, "Hello Again" ) = FCLOSE( x )The resulting filename is truncate to just "mylonglo.txt" (DOS 8.3 format)