例句與造句

1. Although MS-DOS owes its heritage most closely to CP / M and thence to TOPS-10, many of the file manipulation commands are very similar to those of TRSDOS . By comparison the CP / M command for copying files was called " pip " ( both a pun on the Pip printers, a chain of copy centers in that era, and an acronym standing for " Peripheral Interchange Program " ).
2. It's difficult to find file manipulation command in a sentence. 用file manipulation command造句挺難的