The Unix escape character is:

To change the file flog so people who don't belong in your group can't read it, you use the command:

The Bourne shell has one file in your home directory that it reads when you log in; this file is:

If your account is named myuser, and you changed your password, one way to test that you type the new password correctly is:

Which of the following is NOT a scripting language in Unix?

A Unix user can belong to:

Which wild-card matches one character ?

Which of the following is not a valid file command ?

Which option of the sort filter changes the output to reverse order ?

Which of the following shells is typically used for guest logins and in secure systems ?

Which command gives location of the first difference between two files ?