Linux_2

What is the root directory in Linux?

• /var

• /

• /root

• /home

Which command is used to display the current directory in Linux?

• cd

• ls

• dir

• pwd

How can you create a new user in Linux?

• sudo adduser newusername

• useradd newusername

• sudo createuser newusername

• adduser --new newusername

Explain the difference between chmod and chown commands.

• chmod changes the file permissions, while chown changes the file location

• chmod changes the file size, while chown changes the file type

• The main difference between chmod and chown commands is that chmod changes the permissions of a file or directory, while chown changes the owner of a file or directory.

• chmod changes the file extension, while chown changes the file content

How do you install a new package using apt-get in Linux?

• sudo install package_name

• sudo apt-get install package_name

• apt-get install package_name

• sudo apt-get update package_name

What is the purpose of the /etc/passwd file in Linux?

• The /etc/passwd file in Linux is used for storing system logs.

• The /etc/passwd file in Linux stores essential information about user accounts.

• The /etc/passwd file in Linux is a configuration file for network settings.

• The /etc/passwd file in Linux is a backup file for user data.

How can you change the ownership of a file in Linux?

• Rename the file

• Use the 'chown' command followed by the new owner's username and the file name.

• Modify the file permissions

• Use the 'changeowner' command

Describe the purpose of the /etc/group file in Linux.

• The /etc/group file in Linux is used to manage network interfaces.

• The /etc/group file in Linux is used to store user passwords.

• The /etc/group file in Linux is a log file for system events.

• The /etc/group file in Linux is used to store information about groups on the system.

What is the difference between 'apt-get update' and 'apt-get upgrade' commands?

• Both 'apt-get update' and 'apt-get upgrade' commands perform the same function of updating package lists.

• The 'apt-get update' command installs newer versions of the packages, while the 'apt-get upgrade' command updates the package lists for upgrades.

• The 'apt-get update' command removes packages from the system, while the 'apt-get upgrade' command installs new packages.

• The 'apt-get update' command updates the package lists for upgrades, while the 'apt-get upgrade' command actually installs newer versions of the packages.

Explain the significance of the 'ps' command in Linux.

• The 'ps' command stands for 'personal system' in Linux

• The 'ps' command is used for creating new processes in Linux

• The 'ps' command in Linux is significant for displaying information about running processes on the system.

• The 'ps' command is used for printing files in Linux