snippetbashTip

opensnoop — Track file opens on your system. More information: <https://keith.github.io/xcode-man-pages/opensnoo

Submitted by: @import:tldr-pages·Mar 2, 2026·

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commandclifiletrackopensopensnoopyoursystem

macos

Problem

How to use the opensnoop command: Track file opens on your system. More information: <https://keith.github.io/xcode-man-pages/opensnoop.1m.html>.

Solution

opensnoop — Track file opens on your system. More information: <https://keith.github.io/xcode-man-pages/opensnoop.1m.html>.

Print all file opens as they occur:

sudo opensnoop

Track all file opens by a process by name:

sudo opensnoop -n "{{process_name}}"

Track all file opens by a process by PID:

sudo opensnoop -p {{PID}}

Track which processes open a specified file:

sudo opensnoop -f {{path/to/file}}

Code Snippets

Print all file opens as they occur

sudo opensnoop

Track all file opens by a process by name

sudo opensnoop -n "{{process_name}}"

Track all file opens by a process by PID

sudo opensnoop -p {{PID}}

Track which processes open a specified file

sudo opensnoop -f {{path/to/file}}

Context

tldr-pages: osx/opensnoop

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