filemonitor
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Description:
Monitor filesystem activity
Type: Cask  |  Latest Version: 1.3.0@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: System utilities
Tags: monitoring filesystem utilities diagnostics security
Install: brew install --cask filemonitor
About:
FileMonitor is a lightweight utility that provides real-time visibility into filesystem activity on macOS. It tracks file creation, modification, and deletion events, helping users diagnose issues and monitor for suspicious behavior. The tool offers a clean interface to filter and analyze events efficiently.
Key Features:
  • Real-time filesystem event monitoring
  • Filtering by process and event type
  • Low system resource footprint
  • User-friendly graphical interface
Use Cases:
  • Debugging application file I/O issues
  • Monitoring for unauthorized file changes
Alternatives:
  • fswatch – Command-line tool vs FileMonitor's GUI approach
  • lsof – Lists open files vs real-time monitoring
Version History
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