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

What is the most secure way to give a normal user the ability to run this program if you have written a shell script that must be run as root in order to work properly?This question is part...

Himanshub
Answered: Mar 22, 2023

Set permissions to 777 on the script

1 Answer

1057 views

What is the symbolic representation of this numeric permission: 644?

Roobina_naaz
Answered: Mar 22, 2023

Rw-r--r--

1 Answer

753 views

What command and parameter (or switch) will force a program to quit (even one running in the background)?

Rawilbur
Answered: Mar 22, 2023

Kill, kill -9

1 Answer

698 views

What is the correct statement?

J. Harty, Writer
Answered: Jan 17, 2019

There are a lot of people who may find this confusing because things may seem to mean the same. There are some people who sometimes become confused with output and outcome. If this is also...Read More

3 Answers

696 views

What will be the relative path for the "save" file in the email subdirectory (based on this illustration below)?

E. Stanley, Technical writer
Answered: Jul 17, 2018

Based on the diagram, it is clear that such a file will follow a simple path of email/save. It will allow the user to save the email for future reference. Other paths use the email in different...Read More

2 Answers

672 views

What command allows you to open and view a file one page at a time?

E. Stanley, Technical writer
Answered: Jul 17, 2018

There are multiple ways of viewing a file. You can view all the pages on an overview mode. You can also view it page by page, in order to enable the page by page mode you need to press less,...Read More

3 Answers

642 views

What does the command foo < bar | foobar do?

John Smith
Answered: Mar 22, 2023

Foo reads bar as stdin, pipes output to foobar-common redirection operators command >file : redirects standard output of command into the file command>>file : append the...Read More

1 Answer

641 views

Which partition is used for virtual memory?

John Smith
Answered: Mar 22, 2023

Swap-swap space in linux is used when the amount of physical memory(ram) is full. if the system needsmore memory resources and the ram is full,inactive pages in memory are moved to the swap...Read More

2 Answers

627 views

What command, followed by the directory name is used to access that specific directory?

John Smith
Answered: Mar 22, 2023

1 Answer

616 views

How can the normal output of a command be written to a file while discarding the error output?

Gdeisat
Answered: Mar 22, 2023

Command> file2>/dev/null

1 Answer

615 views

What will the command kill -HUP 1354 do?

John Smith
Answered: Mar 22, 2023

The same as kill -SIGHUP 1354
2. The same as kill -1 1354

Kill command is used to terminate the processes by default it sends the TERM signal. When you send the -HUP signal,...Read More

1 Answer

605 views