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MacOS execsnoop command

The MacOS execsnoop command is a powerful tool that allows users to trace process execution and monitor system activity in real-time. By running execsnoop with the appropriate flags, users can capture detailed information about processes spawned on their system, including the process ID, command, and arguments. This can be useful for troubleshooting performance issues, identifying resource-intensive processes, and gaining insights into system behavior. By leveraging execsnoop, MacOS users can gain a better understanding of how their system is being utilized and take proactive steps to optimize performance and resource utilization.

Terminal window
execsnoop [PID]
OptionDescription
-dShow the time delta between processes
-fShow the full command line
-tShow the time stamp
-xShow the process arguments
-hDisplay help message
ParameterDescription
PIDSpecify the process ID to monitor
Terminal window
execsnoop

This command will monitor and display information about all executed commands on the system.

Monitor Executed Commands of a Specific Process

Section titled “Monitor Executed Commands of a Specific Process”
Terminal window
execsnoop -p PID

This command will monitor and display information about all executed commands of a specific process identified by its PID.

Monitor Executed Commands with Specific User

Section titled “Monitor Executed Commands with Specific User”
Terminal window
execsnoop -U username

This command will monitor and display information about all executed commands by a specific user specified by the username.

Terminal window
execsnoop -t "command-to-exclude"

This command will monitor and display information about all executed commands, excluding a specific command specified in quotes.

To use the execsnoop command in MacOS, execute the following command:

Terminal window
execsnoop

What is the purpose of execsnoop in MacOS?

Section titled “What is the purpose of execsnoop in MacOS?”

The execsnoop command in MacOS is used to trace process execution, showing when processes are created and replaced.

How can I filter the output of execsnoop in MacOS?

Section titled “How can I filter the output of execsnoop in MacOS?”

You can filter the output of execsnoop in MacOS by specifying a process name with the -n flag. For example:

Terminal window
execsnoop -n bash

How do I display additional information with execsnoop in MacOS?

Section titled “How do I display additional information with execsnoop in MacOS?”

To display additional information such as the process ID and command line arguments, you can use the -v flag with execsnoop. For example:

Terminal window
execsnoop -v

Can I save the output of execsnoop to a file in MacOS?

Section titled “Can I save the output of execsnoop to a file in MacOS?”

Yes, you can save the output of execsnoop to a file by using redirection. For example:

Terminal window
execsnoop > output.txt

How do I monitor system calls with execsnoop in MacOS?

Section titled “How do I monitor system calls with execsnoop in MacOS?”

To monitor system calls with execsnoop in MacOS, you can use the -x flag. For example:

Terminal window
execsnoop -x

Is it possible to watch only a specific process with execsnoop in MacOS?

Section titled “Is it possible to watch only a specific process with execsnoop in MacOS?”

Yes, you can watch only a specific process by specifying its process ID with the -i flag. For example:

Terminal window
execsnoop -i 1234
  1. Monitoring process executions in real-time
  2. Tracking which applications are being launched
  3. Observing the sequence of commands executed by processes
  4. Analyzing the flow of program executions
  5. Troubleshooting startup issues
  6. Identifying unauthorized or unexpected program executions