Linux Commands Quiz

What is the primary difference between a soft link and a hard link?

• Soft links are directories, and hard links are files

• Soft links are pointers to files, while hard links are duplicates of the file

• Hard links can cross file systems, but soft links cannot

• There is no difference

Which command is used to create a soft link?

• ln

• ln -s

• link

• ln -h

If the original file of a soft link is deleted, what happens to the soft link?

• It remains functional

• It points to nothing (becomes a broken link)

• It automatically deletes

• It becomes a hard link

Which command is used to create a hard link?

• ln -s

• ln

• link -h

• hardlink

What does the sudo command do?

• Switches user

• Executes commands as a superuser

• Logs in as root permanently

• Displays file permissions

Which file contains information about users with sudo privileges?

• /etc/sudoers

• /etc/passwd

• /etc/group

• /etc/shadow

What is the purpose of the adduser command?

• To delete a user

• To modify a user

• To add a new user

• To view user information

How can you set read, write, and execute permissions only for the owner of a file using chmod?

• chmod 644 file

• chmod a+x file

• chmod u+rwx file

• chmod 777 file

What does the numeric value 755 mean in terms of file permissions?

• Owner: read/write/execute, Group: read, Others: no access

• Owner: read/write/execute, Group: read/execute, Others: read/execute

• Owner: read/write, Group: execute, Others: no access

• Owner: read/write, Group: read, Others: execute

Which command is used to change the default permission mask?

• chmod

• chown

• umask

• chgrp