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 1 of 6)

Answers and explanations are in the full bank.

You need to print the whole contents of a file. Which command does that? · 1 mark
What does the Linux command `uname` do? · 1 mark
What does the Linux command `chmod` do? · 1 mark
On a Linux system, what does /boot contain? · 3 marks
What does the Linux command `ping` do? · 1 mark
What does the Linux command `ps` do? · 1 mark
What does the Linux command `tar` do? · 1 mark
You need to search a directory tree for files matching criteria. Which command does that? · 1 mark
You need to show open sockets and listening ports. Which command does that? · 1 mark
In `ps aux`, what does the aux option add? · 3 marks
In `kill -9`, what does the -9 option add? · 3 marks
What does the Linux command `systemctl` do? · 1 mark
Which location holds the main user command binaries? · 3 marks
You need to create or extract an archive. Which command does that? · 1 mark
What does the Linux command `du` do? · 1 mark
You need to synchronise files, transferring only the differences. Which command does that? · 1 mark
On a Linux system, what does /usr/bin contain? · 3 marks
Which location holds static hostname to IP mappings checked before DNS? · 3 marks
On a Linux system, what does /tmp contain? · 3 marks
On a Linux system, what does /etc/passwd contain? · 3 marks
In `crontab -e`, what does the -e option add? · 3 marks
What does the Linux command `top` do? · 1 mark
What does the Linux command `awk` do? · 1 mark
You need to copy files between hosts over SSH. Which command does that? · 1 mark
Which location holds the hashed passwords, readable only by root? · 3 marks
What does the Linux command `mv` do? · 1 mark
On a Linux system, what does /root contain? · 3 marks
What does the Linux command `ss` do? · 1 mark
On a Linux system, what does /var/log contain? · 3 marks
Which location holds a virtual filesystem exposing kernel and process state? · 3 marks
You need to change the current working directory. Which command does that? · 1 mark
In `rm -r`, what does the -r option add? · 3 marks
You need to print the full path of the working directory. Which command does that? · 1 mark
In `tar -x`, what does the -x option add? · 3 marks
On a Linux system, what does /etc contain? · 3 marks
On a Linux system, what does /etc/hosts contain? · 3 marks
What does the Linux command `crontab` do? · 1 mark
What does the Linux command `chown` do? · 1 mark
What does the Linux command `journalctl` do? · 1 mark
You need to move or rename a file. Which command does that? · 1 mark
You need to query DNS records. Which command does that? · 1 mark
You need to run a command as another user, normally root. Which command does that? · 1 mark
Which location holds the filesystems to mount at boot? · 3 marks
In `uname -a`, what does the -a option add? · 3 marks
What does the Linux command `man` do? · 1 mark
In `df -h`, what does the -h option add? · 3 marks
What does the Linux command `dig` do? · 1 mark
What does the Linux command `kill` do? · 1 mark
You need to page through a file one screen at a time. Which command does that? · 1 mark
You need to print system and kernel information. Which command does that? · 1 mark
In `ls -l`, what does the -l option add? · 3 marks
What does the Linux command `script` do? · 1 mark
You need to search text for lines matching a pattern. Which command does that? · 1 mark
What does the Linux command `find` do? · 1 mark
You need to test reachability with ICMP echo requests. Which command does that? · 1 mark
What does the Linux command `scp` do? · 1 mark
In `grep -i`, what does the -i option add? · 3 marks
What does the Linux command `df` do? · 1 mark
Which location holds system-wide configuration files? · 3 marks
On a Linux system, what does /etc/fstab contain? · 3 marks