How to empty (clear) the logcat buffer in Android [duplicate]

android shell adb logcat

adb logcat -c

android shell adb logcat

The following command will clear only non-rooted buffers (main, system ..etc).

adb logcat -c

If you want to clear all the buffers (like radio, kernel..etc), Please use the following commands

adb rootadb logcat -b all -c

adb rootadb shell logcat -b all -c

Use the following commands to know the list of buffers that device supports

adb logcat -gadb logcat -b all -gadb shell logcat -b all -g

android shell adb logcat

I give my solution for Mac:

With your device connected to the USB port, open a terminal and goto the adb folder.
Write: ./adb devices
The terminal will show something like this:List of devices attached 36ac5997 device
Take note of the serial number (36ac5997)
Write: ./adb -s 36ac5997 to connect to the device
Write: ./adb logcat

If at any time you want to clear the log, type ./adb logcat -c

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