Useful macOS commands
Network speed quality
Since macOS Monterey is there a command to test your network quality:
Output will looks like follow:
==== SUMMARY ==== Upload capacity: 16.239 Mbps Download capacity: 475.129 Mbps Upload flows: 20 Download flows: 12 Responsiveness: Low (154 RPM) Base RTT: 26 Start: 19.04.2022 13:56:47 End: 19.04.2022 13:57:04 OS Version: Version 12.3.1 (Build 21E258)
If you’re curious, networkQuality uses Apple’s CDN at https://mensura.cdn-apple.com/api/v1/gm/config as the target for its testing.
List all mounted drives on Mac
Open any source
open # [url|filename|directory...]
Prevent the system from sleeping
caffeinate command is used to prevent a Mac from going to sleep.
-d- Prevent the display from sleeping.
-i- Prevent the system from idle sleeping.
-m- Prevent the disk from idle sleeping.
-s- Prevent the system from sleeping. This assertion is valid only when system is running on AC power.
-u- Declare that a user is active. If the display is off, this option turns the display on and prevents the display from going into idle sleep.
-t- Specifies the timeout value in seconds for which the command is valid.
-w- Waits for the process with the specified pid to exit.
caffeinate -i make # caffeinate forks a process, execs "make" in it # and prevents idle sleep as long as that # process is running
caffeinate -t 18000 # 18000 seconds
Or you can just use free app KeepingYouAwake