65 Best Linux Questions and Answers (Q&A) - ProProfs Discuss

How do you direct the shell to execute a command in the background in Linux operating system?

E.Ronald
Answered: Jan 03, 2018

Linux is an operating system that allows people to use it on the desktop. There have been applications that have been created simply for Linux. When a user is making changes to a software...Read More

2 Answers

499 views

What is the difference between SU and SUDO?

A. Cook, English Professor
Answered: Sep 03, 2019

The terms SU and SUDO are often seen on Linux. They are used to run different commands with root permissions to do anything to the system. SU or Super User is where the user executes with no...Read More

4 Answers

496 views

How can you set the SGID on a file called Certkiller examinator?

John Smith
Answered: Apr 26, 2024

Chmod g+s certkiller examinator-like files or directories, process also runs under the some ownership. by default process start under the ownership of executer. means who is going...Read More

1 Answer

473 views

What option is used with the useradd command to specify the users home directory?

John Smith
Answered: Apr 26, 2024

-d-useradd command is used to add the user in the system. by default it creates the users home directory in /home if you want to specify the users home directory in different...Read More

1 Answer

449 views

Which commands are used to view memory usage?

W. Kaye, Ex-Marine
Answered: Apr 24, 2019

There are two commands in Linux that can be used in order to view memory usage. The first one is the top and the second one is free. There are a lot of people who may not realize the importance...Read More

2 Answers

446 views

Which of the following commands increases the number of elements in a directory (choose two answers)

Gdeisat
Answered: Apr 26, 2024

Touch newfile
Mkdir newdirectory

1 Answer

446 views

Why is Linux better than Windows?

Gdeisat
Answered: Apr 26, 2024

Open source software is available for commercial use

1 Answer

433 views

What is the difference between Ubuntu and Linux?

Bobby Rickets, Content Reviewer
Answered: Aug 30, 2019

Ubuntu and Linux Mint are the two preferred desktop Linux allocations. Linux Mint and Ubuntu are interrelated. Mint is based on Ubuntu. Ubuntu and Linux mint has become increasingly distinctive...Read More

4 Answers

391 views

What would you see on your display if you type the command cat dog & > cat?

John Smith
Answered: Apr 26, 2024

Nothing as all output is saved to the file cat.

1 Answer

389 views

What are the benefits of Linux?

Gdeisat
Answered: Apr 26, 2024

Users who modify and distribute the software under the GPL license, must make the modifications they made, available to the recipients under the same license.

1 Answer

386 views

What is the commmand used to remove or delete file with out confirmation msg?

RoseySoft
Answered: Apr 26, 2024

This question's answer is incorrect.

This is cut from the man page.

rm prompts the user for whether to remove
the file. If the response is not affirmative, the file is...Read More

2 Answers

375 views

What is the difference between BSD and Linux?

Howard Reyes, Science Teacher
Answered: Aug 06, 2019

Linux and BSD are commonly heard when discussing operating systems. The licenses for Linux and BSD are different. Linux uses GPL licensing and BSD's license is not as restrictive as the license...Read More

3 Answers

364 views

What command will remove all files named core in the home directories of users(/home), that are more than 7 days old?

John Smith
Answered: Apr 26, 2024

Find /home -mtime +7 -name core -exec rm -f {} \\;-to search the files or directories, we use the find or locate command where locate command search on its database but faster than find...Read More

1 Answer

362 views

Which file should you check within the /proc tree to learn which IRQs are being used by which kernel drives when you suspect that a new ethernet card might be conflicting with another device in...

John Smith
Answered: Apr 26, 2024

Proc/interrupts The linux /proc directory is a virtual filesystem provided by linux kernel. Proc contains files and directories that let system administrators and programmers access system...Read More

1 Answer

352 views

What permissions are the set on a file with the command chmod 654 file.txt?

Gdeisat
Answered: Apr 26, 2024

-rw-r-xr--

1 Answer

346 views

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