フリー問題

問題文

An administrator has taken over an unlabeled server and must state which operating system it runs and at which release, using only the command line of the running system. Which command reports that, and what does the same command leave out?

選択肢

1. The running system is identified by whereis which prints the operating system name and the release string but says nothing about the running kernel that the machine carries.
2. The running system is identified by uname which prints the operating system name and the release string but says nothing about the installed software that the machine carries.
3. The running system is identified by uname which prints the operating system name and the release string but says nothing about the running kernel that the machine carries.
4. The running system is identified by whereis which prints the operating system name and the release string but says nothing about the installed software that the machine carries.