Operating Systems

10 free questions with worked answers, and 320 more in the full bank.

Free questions

What is the primary purpose of Safe Mode in Windows?

Which of the following is an example of an operating system?

Which command is used to list files and directories in Linux?

Which Linux command is used to record a user login session in a file?

Which file system is commonly used on Windows operating system?

What is the main function of an operating system?

Which of the following is a Linux distribution?

What should you do before upgrading the operating system on a user's computer?

3 marks · Medium

Which command would you use to restart a Windows computer from the Command Prompt?

3 marks · Medium

Which tool would you use to check for disk errors in Windows?

4 marks · Hard

More Operating Systems questions (page 2 of 6)

Answers and explanations are in the full bank.

You need to change the permission bits on a file. Which command does that? · 1 mark
In `head -n`, what does the -n option add? · 3 marks
On a Linux system, what does /mnt contain? · 3 marks
You need to send a signal to a process by PID. Which command does that? · 1 mark
What does the Linux command `ip` do? · 1 mark
You need to delete a file. Which command does that? · 1 mark
You need to list running processes. Which command does that? · 1 mark
In `du -sh`, what does the -sh option add? · 3 marks
You need to show or configure network interfaces and routes. Which command does that? · 1 mark
What does the Linux command `cat` do? · 1 mark
What does the Linux command `mkdir` do? · 1 mark
You need to edit a stream of text with substitution rules. Which command does that? · 1 mark
Which location holds user account entries, without the password hashes? · 3 marks
You need to report how much space a directory tree uses. Which command does that? · 1 mark
What does the Linux command `tail` do? · 1 mark
You need to show processes and resource use, refreshing live. Which command does that? · 1 mark
You need to read the systemd journal. Which command does that? · 1 mark
In `mkdir -p`, what does the -p option add? · 3 marks
You need to show the first lines of a file. Which command does that? · 1 mark
On a Linux system, what does /etc/shadow contain? · 3 marks
You need to create a directory. Which command does that? · 1 mark
What does the Linux command `sudo` do? · 1 mark
What does the Linux command `rsync` do? · 1 mark
You need to display the manual page for a command. Which command does that? · 1 mark
You need to change the user or group that owns a file. Which command does that? · 1 mark
You need to process text field by field using a pattern-action script. Which command does that? · 1 mark
Which location holds device files representing hardware? · 3 marks
You need to record a terminal session to a file. Which command does that? · 1 mark
Which location holds ordinary users’ home directories? · 3 marks
You need to report free space per mounted filesystem. Which command does that? · 1 mark
You need to show the hops a packet takes to a destination. Which command does that? · 1 mark
What does the Linux command `traceroute` do? · 1 mark
On a Linux system, what does /dev contain? · 3 marks
Which location holds the kernel and bootloader files? · 3 marks
Which location holds optional or third-party software packages? · 3 marks
You need to control systemd services. Which command does that? · 1 mark
You need to edit the schedule of recurring jobs. Which command does that? · 1 mark
What does the Linux command `sed` do? · 1 mark
Which location holds temporary files, usually cleared on reboot? · 3 marks
On a Linux system, what does /proc contain? · 3 marks
What does the Linux command `ls` do? · 1 mark
What does the Linux command `whoami` do? · 1 mark
What does the Linux command `less` do? · 1 mark
Which location holds a mount point for temporarily mounted filesystems? · 3 marks
What does the Linux command `cd` do? · 1 mark
What does the Linux command `head` do? · 1 mark
You need to print the effective username. Which command does that? · 1 mark
What does the Linux command `grep` do? · 1 mark
Which location holds system and application log files? · 3 marks
On a Linux system, what does /home contain? · 3 marks
On a Linux system, what does /opt contain? · 3 marks
Which location holds the root user’s home directory? · 3 marks
You need to list the contents of a directory. Which command does that? · 1 mark
In `tail -f`, what does the -f option add? · 3 marks
You need to copy files or directories. Which command does that? · 1 mark
What does the Linux command `cp` do? · 1 mark
What does the Linux command `rm` do? · 1 mark
What does the Linux command `pwd` do? · 1 mark
In `cp -r`, what does the -r option add? · 3 marks
You need to show the last lines of a file. Which command does that? · 1 mark