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Which file in the /proc filesystem lists parameters passed from the bootloader to the kernel? (Specify the file name only without any path.)

What is the difference between the i and a commands of the vi editor?

How can the list of files that would be installed by the RPM package file apache-xml.rpm be previewed?

You suspect that a new ethernet card might be conflicting with another device. Which file should you check within the /proc tree to learn which IRQs are being used by which kernel drivers?

Which program updates the database that is used by the locate command?