How to know if my webcam is used or not?
Which command allows me to know if my webcam is used or not?
Unix & Linux
Why is the password I entered not visible?
Below is the process I took to create a user on bash in Linux.
Are FIFO, pipe & Unix domain socket the same thing in Linux kernel?
I heard that FIFOs are named pipes. And they have exactly the same semantics. On the other hand, I think Unix domain socket is quite similar to pipe (although I’ve never made use of it). So I wonder if they all refer to the same implementation in Linux kernel. Any idea?
How do I switch to vi editing mode in readline?
I want to switch to vi editing mode in a readline environment. But I don’t want to use ‘set -o vi’. I want to temporarily switch using a keyboard shortcut. The man page says I can do this with M-C-j. But that doesn’t work for me.
grep lines starting with “1” in Ubuntu
I try to search for lines that start with “1” using
Is there a fastest way to shutdown the system?
Or is shutdown -h now the fastest it can get?
How to use defined function with xargs
This is my code
How do I diff the outputs of two commands?
This question already has an answer here: Diff the output of two `awk` commands (1 answer) Closed 3 years ago. How can I use the diff command to compare 2 commands’ outputs? Does something like this exist? diff ($cat /etc/passwd) ($cut -f2/etc/passwd) Answers: Thank you for visiting the Q&A section on Magenaut. Please note that … Read more
Deleting all files in a folder except files X, Y, and Z
I have a lot of files and folders in a specific folder and I want to delete all of them; however, I wanted to keep files X, Y, and Z.
How can I make ssh ignore .ssh/config?
I have the following in my ~/.ssh/config.