The command ‘apt-get‘ is intended for installing packages on Linux systems. UPDATE: For no apparent reason, ⌘-delete has started working. What to do when keyboard commands don’t work at startup on your Mac Holding down certain keys when your Mac boots can allow access to certain features. Original Title: "shell command visual basic" hello for some reason, the shell() call of visual basic does not seem to work with Mac Office 2011 whereas this works fine with Windows Office 2010. it jupyter: 'notebook' is not a Jupyter command I used the --h option to get a listing of all jupyter commands and indeed, 'notebook' is not one of the commands. Thanks for your help. Method 1: Installing Homebrew in macOS. Update2: Actually the problem was not awk. It stalled once, so I turned the Mac off and then back on and after turning it back on and waiting a little while my problem was solved, the Mac turned on normally, fully equipped with El Capitan. Command - tab shortcut stops working after a while only way to get it back to work again is by restarting my MacBook. ... Unfortunately,the CMD key is not still not working and the onscreen interactive keyboard does not show when the CMD key was pressed. Anyone know what's causing the shortcut to fail? Had to use awk -W --version. However, the Ubuntu machine has mawk 1.3.3. But then after an hour or so it stops again. I have tried everything on this URL ( Command - Tab shortcut not working) with the same problem but nothing seem to wrok. I just discovered by chance and desperation that, for some reason, ⌘-⌥-delete (command-option-delete) does work. So macOS have few alternatives which work the same as the APT. The command awk --version wouldn't work. It's not as good as having the same keystrokes work on both machines, but at least now there's some keyboard shortcut I can use on the iMac. I am running python 2.7 and it was already installed before I installed jupyter. These alternatives are used for the same work of APT and come with a few different/better features. My Command (CMD) keys are not working on my iMac. So I think that is why it works on Ubuntu but was not working in MacOSX. Homebrew is the equivalent for the Mac. Reasons Why Command R Is Not Working on Macbook There are a few reasons why the Command + R combination may not work on your computer, such as: Age of your Mac – If you’re using a Mac that’s still running OS X Snow Leopard or older operating system, then your version doesn’t have Recovery Mode. Question: Q: Command L not working while on OS X El Capitan install screen. So I downloaded mawk and installed it using fink and now the command works in MacOSX. If it is there then try removing it and restarting the Mac.