What does "pseudofile" mean?

A file that does not represent a file on the underlying file system on disk, but instead is automatically generated to represent some other object in the form of a file (for example '/proc/cpuinfo' in Linux).

Pseudofile

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A file that does not represent a file on the underlying file system on disk, but instead is automatically generated to represent some other object in the form of a file (for example '/proc/cpuinfo' in Linux).

Etymology

From pseudo- + file.

Related phrases

file system

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.