Linux Learning Session 4

Which command lists all files, including hidden files, in a directory?

• ls -a

• ls -h

• ls -l

• ls - a

How do you create a new user in Red Hat Linux?

• useradd

• AddUser

• usersadd

• none of the above

Explain the purpose of the /etc/passwd file in Linux.

• it is used to create users home directory

• It stores user account information.

• It stores network interface configuration.

• It stores system-wide environment variables.

What command is used to change the ownership of a file or directory in Linux?

• ownit

• changeown

• chown

• chmon

How do you grant read, write, and execute permissions to a file "abc.txt" in Linux?

• grantpm rwx abc.txt

• Chmode 777 abc.txt

• chmod a+rwx abc.txt

• not allowed

How do you create a hard link in Linux?

• ln -s src link

• ln -h src link

• ln -r src link

• ln src link

which of the statements are true for su -

• changes to target working directory

• retains current shell setting of the current user

• path variables are updated and env loaded

• retains current env variable of current user

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

• It stores group account information.

• It stores system-wide environment variables.

• It stores network interface configuration.

• It stores the system log.

select the information stored in INODE

• userID and group ID

• list of all blocks of the file content

• File permission

• all the above

How do you create a new directory in Linux?

• mdir

• mkdir

• mk dir

• create dir