Which of the following commands is used to remove files with confirmation prompt from the user file system which have neither been accessed nor modified i the last one year?

• find -mtime +365 | rm
• grep (/usr/*) - mtime + 365 | -ok rm
• find -name - mtime + 365 / - ok rm
• find /user/* \(-mtime + 365 - a - atime +365 \) - OK rm {} \;
• None of the above