Which statement is valid about "TIME" command?

Time command is used to display and allow changes to the system time: The TIME command in DOS is used to display the current system time and allows the user to change it if needed.

Time format can be changed by changing in country setting in config.sys file: The time format can indeed be changed by modifying the country setting in the CONFIG.SYS file, which affects how DOS displays the date and time.

MS DOS displays the time in 12-hour or 24-hour format: MS-DOS can display the time in either 12-hour or 24-hour format, depending on the user's preference and system settings.

Therefore, the correct answer is Option D: All of above.