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Tech · Facts & stats

FS facts & stats

7 fact-checked facts about file systems and data storage, each with the reason behind it. 5 more are in today's round and join this page after it closes.

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The basics

A folder on a computer is also called what?

AnswerA directory

Folder and directory both mean a container for files.

A file ending in .txt is usually what?

AnswerA plain text file

.txt files hold plain, unformatted text.

Going deeper

Which file system is the default for modern Windows system drives?

AnswerNTFS

Windows uses NTFS for its system drive.

In file systems, what does FAT stand for?

AnswerFile Allocation Table

FAT uses a table to track which clusters belong to each file.

Which is a common Linux file system?

Answerext4

ext4 is the default on many Linux distributions.

Expert level

In Unix-like systems, what data structure stores a file's metadata?

AnswerAn inode

Inodes record permissions, owner, size and block locations.

What is the purpose of a journaling file system?

AnswerLogging changes so it can recover after a crash

The journal lets the system replay or roll back unfinished writes.

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