Linux · Partitioning, LVM & RAID

The old rule was to make swap twice the size of RAM. Why is that outdated, and when does swap size still actually matter?

Answer locked. Get the free KnowCard app to reveal it — plus spaced-repetition review so it actually sticks.

This is one card from the KnowCard library — thousands more across SAP, Linux, Python and more. In the app you get the answer, AI explanations, and cards that come back right before you would forget them. Free to start on iOS, Android or the web.

More in Partitioning, LVM & RAID

You need to repartition a disk after Linux is already installed and prefer a graphical tool. Which tool do you reach for, and what runs underneath it?

Two partition-table schemes exist on modern disks. Which one is standard on internal SSDs and hard disks today, and roughly when did it take over?

A colleague plans to put an MBR partition table on a new 4 TB hard disk. What goes wrong, and what is the hard ceiling on MBR-managed disk size?

On an MBR disk you already have four partitions but need a fifth. Why can't you just add another primary partition, and what is the workaround?

How does GPT's partition model differ from MBR's primary/extended/logical structure, and how large can a single GPT partition be?

Your SSD is sold as 1 TB but Linux reports about 931 GiB. Where did the missing capacity go?

Start learning today

Free to start — download the app or use it in your browser.