![]() Take the bottom line of your output and you can copy paste the ratio to get an actual human readable speed. #Disk Speed Test Write: time dd if=/dev/zero bs=1024k of=tstfile count=1024 #Disk Speed Test Read: dd if=tstfile bs=1024k of=/dev/null count=1024 You can use the Apple Hardware Test to rule out most hardware issues when troubleshooting problems with a Mac. This can include problems with a Macs display, graphics, processor, memory, and storage. The test times how long it takes to read or write a 1GB file. You can use the Apple Hardware Test (AHT) to diagnose issues with your Macs hardware. I usually use BlackMagic Disk Speed Test which you can download from the app store, but you can run this terminal command on the users computer instead. ![]() Testing User Disk Speed for Read and Writeįor those of you comfortable in Terminal or CLI, here is a very good tool to test a users disk speed for reading and writing.
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