Assertion: operating system's user interface | /r/CapableOf | carry out commands of the user
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Source sentences:
text: Main services provided by an OS include (1) user-interface, (2) carrying out commands of the user and the application programs, (3) supervising installation and running of other programs and hardware, (4) controlling the input-output functions, (5) allocating system resources such as memory processor time, disk space, and peripheral devices to regulate the flow of work within the computer, (6) handling file and directory management , and (7) providing file-sharing and networking functions.