210-255 · Question #169
Which Linux tile system supports journaling and an unlimited number of sub directories?
The correct answer is A. EXT4. EXT4 is the only Linux filesystem listed that supports both journaling and an unlimited number of subdirectories, making it the most capable of the ext family.
Question
Which Linux tile system supports journaling and an unlimited number of sub directories?
Options
- AEXT4
- BEXT2
- CEXT3
- DTFS
How the community answered
(45 responses)- A89% (40)
- B2% (1)
- C2% (1)
- D7% (3)
Why each option
EXT4 is the only Linux filesystem listed that supports both journaling and an unlimited number of subdirectories, making it the most capable of the ext family.
EXT4 introduced journaling inherited from EXT3 and removed the 31,998 subdirectory limit present in EXT3, allowing an unlimited number of subdirectories. It also supports larger file sizes, extents, and delayed allocation, making it the default filesystem for most modern Linux distributions.
EXT2 does not support journaling at all, which makes it vulnerable to data corruption after unclean shutdowns.
EXT3 added journaling over EXT2 but retained the 31,998 subdirectory limit per directory, so it does not support unlimited subdirectories.
TFS is not a recognized standard Linux filesystem; no such filesystem exists in mainstream Linux use.
Concept tested: Linux EXT4 filesystem journaling and directory limits
Source: https://www.kernel.org/doc/html/latest/filesystems/ext4/index.html
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