The wc filter :

Which command will symbolically link two files in a directory?

Which command compresses a file?

What is the default standard error file ?

Which of the following commands can be used to add the read and write permissions to the user and group classes of a file named abc?

Which command identifies the current working directory ?

When you check a file's permissions, and there's an 'S' in the place of 'x' in the owner permissions section of the ls command, it means that the:

How do you determine the runlevel of the running system?

chmod allows you to specify permissions for a file using octal numbers. 4000 permission is:

To set a file so that anybody can read it but only root can modify it without changing the file's owner, you use chmod's octal permissions of:

If your umask is 007 it means that default files are created with the permissions: