How to reveal detailed information about CPU?

Which return value from an ioctl request indicates success?

mount -a' will load all filesystems listed in:

What does 'chmod 755 file' accomplish?

If you use the rm command to accidentally delete a file, how can you get the file back?

Which of the following accurately describes a 'ping?'

Which kernel module do you need to load to use interface bonding?

What would this sed command do? sed -E 's/[a-Z]{4}/(&)/' textfile.txt

Extending an LVM volume group does what to the formatted filesystem?

Why might would you use the usermod command ?

What is the job of the NetworkManager daemon?