Linux Exam Review

What type of users can access the /etc/shadow file?

• Any user

• Only superusers

Which of the following commands shows the path of the current working directory?

• cat

• ls -l

• pwd

• which

How do you save and quit VIM in a single command?

• :wq

• :w!

• :q!

• :sq

What is /tmp the name of?

• Directory

• Hidden file

• Configuration file

• Read-only file

If a file starts with a period (.), such as .bashrc, what does that mean about the file?

• It is a hidden file

• It is a read-only file

• It is an executable file

What is the su command used for?

• To switch users

• To create a super-user

• To shut down the system

• To run commands as a simple user

• To run applications

Which command changes file permissions?

• chmod

• set

• echo

• run

Which directory does cd / navigate to?

• Root directory

• Parent of the current directory

• Home directory

• Previous directory

Which of the following files stores hashed passwords in Linux?

• /etc/shadow

• /etc/hosts

• /tmp/password

• /etc/passwd

Which command would assign the permissions drwxr-xr-x to the temp directory?

• chmod 755 temp

• chmod 766 temp

• chmod 775 temp