Unix Basics

Choose the correct statement:

• Linux is an OS based on Unix and in fact uses the same code base.

• Linux is an OS based on Unix but was developed independently though some shell/kernel functionality is the same or even better than the original Unix.

I want to show a list of users logged in for a specific host. Which command will I use?

• who

• whoami

• users

• users -l

Which of the following is true about the date command?

• Without arguments it displays the current date only

• Without arguments it displays both current date and time

Please choose all true statements regarding Unix kernel:

• Interfaces with hardware components

• Generates inodes for new files and process id's for new processes

• Performs memory management

• Users can directly access the kernel to run applications

An inode table contains information or metadata of a file. Which of the following are true?

• Inode tables are stored in inode block of the Unix filesystem

• All files has an inode table

• Inode tables are irrevocable

• Inode tables contains the name of the file

A file can be accessed by either relative or absolute path. Which statement are correct?

• The absolute path starts from the root or "/"

• Directories should be accessed by relative path only.

• Files should be accessed by absolute path only.

• Relative path starts from "." (current directory) or ".." or (parent directory)

The purpose of a Unix File system is to:

• Organize files on mass storage

• Offer hierarchical storage space for one or more users

• Enable users to create directories

• All of the above

• Only a and c

The standard tree structure starts at which directory?

• home

• user

• root

• bin

The absolute path always start at which directory?

• current directory

• root directory

• home directory

• Default partition

A disk partition is used to for?

• Allocate space for a filesystem

• Compress space on disk

• Set permission on files

• Eliminate need for home directory