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Linux Questions and Answers (Q&A)

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: Jan 20, 2025
Set permissions to 777 on the script

1 Answer

1119 views
What is the symbolic representation of this numeric permission: 644?
Roobina_naaz
Answered: Jan 20, 2025
Rw-r--r--

1 Answer

886 views
What command and parameter (or switch) will force a program to quit (even one running in the background)?
Rawilbur
Answered: Jan 20, 2025
Kill, kill -9

1 Answer

803 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

757 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

741 views
What does the command foo < bar | foobar do?
John Smith
Answered: Jan 20, 2025
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

719 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

718 views
Which partition is used for virtual memory?
John Smith
Answered: Jan 20, 2025
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

687 views
What will the command kill -HUP 1354 do?
John Smith
Answered: Jan 20, 2025
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

667 views
What command, followed by the directory name is used to access that specific directory?
John Smith
Answered: Jan 20, 2025
Cd

1 Answer

666 views
How can the normal output of a command be written to a file while discarding the error output?
Gdeisat
Answered: Jan 20, 2025
Command> file2>/dev/null

1 Answer

662 views
What permissions are set on a file with the command chmod 654 file.txt?
Gdeisat
Answered: Jan 20, 2025
-rw-r-xr--

1 Answer

628 views
What is the default directory path for system log files in linux?
John Adney
Answered: Jul 21, 2017

I believe it's /var/log not logs :P

2 Answers

606 views
What is the default directory path for system log files?
Not really aperson
Answered: Mar 04, 2021

The correct answer is /var/log

IT HAS NEVER BEEN /var/logs. ever on any linux/unix system ever

3 Answers

586 views
Which runlevel allows full multiuser mode but with no graphical login manager in Linux operating system?
Mariiikar
Answered: Jan 20, 2025
Runlevel 3

1 Answer

576 views

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