Wired Thoughts Mac OS

Apple’s Mac OS X was so well thought-out, and my new machine was fast and powerful. When it came time to upgrade in 2012, I got another MacBook Pro without even thinking about it.

Wired memory on Mac is reserved for the macOS kernel and its data structures, and it cannot be paged out. The normal size of the wired memory is around 2GB. User applications add on average 1MB per instance, and too many running programs can contribute to high wired memory usage. Now, let’s dive into more technical details. In the Network System prefs, Select Set Service Order from the Gear menu. Drag the Ethernet service above the Wi-Fi service. If ethernet has a connection, it will be used, If not, the next service down the list will take the internet connection, if available.

Overview

Mac Os Download

Every computer's network interface has a unique identifer called a MAC address. It is a 12 digit hexadecimal number usually delimted by colons, e.g. ab:01:23:ef:45:dc. Both wired and wireless network interfaces have these addresses.

Finding the Ethernet MAC Address

Wired Mac Address

Microsoft Windows

For PCs running Windows 7 and earlier, Go to Start Menu > Programs > Accessories > DOS Command Prompt. Type cmd. For PCs running Windows 8 and later, launch the 'Command' program by searching for it in your applications list. When the command window appears, type ipconfig /all. The Physical Address value for your ethernet card is your MAC address. Make sure you're looking at your ethernet interface and not your wireless interface.

Wired

Apple MacOS X

From the Desktop

  1. Go to the Apple menu > System Preferences > Network (under 'Internet and Wireless').
  2. Make sure that the ethernet interfaces is selected on the left side.
  3. Click on the Advanced button on the right, and then the Hardware tab. The MAC address is listed there.

From the Terminal

Type 'networksetup -listallhardwareports'. The 'Ethernet Address' field for the ethernet hardware port is your MAC address.

Linux

Wired thoughts mac os catalina

Type ip link in a terminal window. The link/ether field associated with your ethernet interface is your MAC address.