What is the difference between ps and top command?
What is the difference between ps and top command ? I see that both can display information about running processes . Which one should be used when ?
command
What is DISPLAY=:0?
What is DISPLAY=:0 and what does it mean? It isn’t a command, is it? (gnome-panel is a command.) DISPLAY=:0 gnome-panel Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help you solve the issue immediately. So please treat them as advisements. If you found the post … Read more
Difference between ‘ifconfig’ and ‘ip’ commands
I read some articles/tutorials on ‘ifconfig’ command, most of them included a common statement –
Why is dmesg called dmesg?
Is there any explanation/history behind the name of the command dmesg (which prints out some kernel messages)?
sudo rm -rf –no-preserve-root / vs sudo rm -rf /*
As everyone knows, these are two deadly unix commands that both tell a machine to commit suicide. But what is the difference between the two? The first one deletes the root directory, while the second one deletes everything in it. Both are equally bad, but will the first one delete the filesystem because it deletes the root directory itself? What is the difference?