To use any of these key combinations, press and hold the keys immediately after pressing the power button to turn on your Mac, or after your Mac begins to restart. Keep holding until the described behavior occurs.
$ sudo rm -r NAMEOFFOLDERTODELETE you will be prompted for your password. Move the file Hunter.txt to the Trash using mv. The tilde indicates that the.Trash folder is located in the users home. $ mv Hunter.txt /.Trash “The erase function in Disk Utility can erase an entire partition” Related macOS commands: cp - Copy files.
- Command (⌘)-R: Start up from the built-in macOS Recovery system. Or use Option-Command-R or Shift-Option-Command-R to start up from macOS Recovery over the Internet. macOS Recovery installs different versions of macOS, depending on the key combination you use while starting up. If your Mac is using a firmware password, you're prompted to enter the password.
- Option (⌥) or Alt: Start up to Startup Manager, which allows you to choose other available startup disks or volumes. If your Mac is using a firmware password, you're prompted to enter the password.
- Option-Command-P-R:Reset NVRAM or PRAM. If your Mac is using a firmware password, it ignores this key combination or starts up from macOS Recovery.
- Shift (⇧): Start up in safe mode. Disabled when using a firmware password.
- D: Start up to the Apple Diagnostics utility. Or use Option-Dto start up to this utility over the Internet. Disabled when using a firmware password.
- N: Start up from a NetBoot server, if your Mac supports network startup volumes. To use the default boot image on the server, hold down Option-N instead. Disabled when using a firmware password.
- Command-S: Start up in single-user mode. Disabled in macOS Mojave or later, or when using a firmware password.
- T: Start up in target disk mode. Disabled when using a firmware password.
- Command-V: Start up in verbose mode. Disabled when using a firmware password.
- Eject (⏏) or F12 or mouse button or trackpad button: Eject removable media, such as an optical disc. Disabled when using a firmware password.
- Press and hold the Command + R Keys. Power off your Mac. Then press the switch on the wireless keyboard to power it off. Power Off the Mac Keyboard; Now power on the keyboard and then immediately power on the Mac. Now quickly hold the Command + R keys and check if the recovery options are shown. Press the Keys After the Green Light Flashes. Power off your system.
- 30 keyboard shortcuts Mac users need to know This collection of keyboard shortcuts for macOS can help users get the most from their iMacs, MacBook Pro and MacBook laptops.
- 134 Shortcuts for RStudio (MacOS) Platform: win, mac add Related: RStudio Index, Open Source Shortcuts, IDE Shortcuts, R Editor Shortcuts, MacOS Shortcuts.
If a key combination doesn't work
If a key combination doesn't work at startup, one of these these solutions might help:
- Be sure to press and hold all keys in the combination together, not one at a time.
- Shut down your Mac. Then press the power button to turn on your Mac. Then press and hold the keys as your Mac starts up.
- Wait a few seconds before pressing the keys, to give your Mac more time to recognize the keyboard as it starts up. Some keyboards have a light that flashes briefly at startup, indicating that the keyboard is recognized and ready for use.
- If you're using a wireless keyboard, plug it into your Mac, if possible. Or use your built-in keyboard or a wired keyboard. If you're using a keyboard made for a PC, such as a keyboard with a Windows logo, try a keyboard made for Mac.
- If you're using Boot Camp to start up from Microsoft Windows, set Startup Disk preferences to start up from macOS instead. Then shut down or restart and try again.
Remember that some key combinations are disabled when your Mac is using a firmware password.
Learn more
- Learn what to do if your Mac doesn't turn on.
- Learn about Mac keyboard shortcuts that you can use after your Mac has started up.
We can find mac address (physical address) of a computer using the command ‘getmac‘. This can be used to get mac address for remote computers also. Below are few examples on how to use this command. It works on XP, Vista, Windows 7, Server 2003 and Server 2008 operating systems.
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Get mac addresses from CMD
Just run the command getmac to get the mac addresses. Find an example below.
This command does not show mac addresses for the network connections which are disabled. You can run ncpa.cpl and check which NICs are disabled. Further, I have received comments that this command does not help identify the mac address for a specific device. For example, if I need to get the mac address for my WiFi card, output of getmac command is not helpful. We can use ipconfig command to deal with this.
Get mac address of a remote computer
R Command For Mean
We can retrieve the mac addressses for a remote computer using nbtstat command.
Example:
Example:
Alternatively, We can run the below command to retrieve the mac addresses of a remote computer. Solar energy by s p sukhatme pdf download. Donald byrd the third world rar.
remote_computer : Full name of the remote computer or IP address
username and password are of the account on the remote computer.
username and password are of the account on the remote computer.
Example:
If you do not want to specify the password, you can skip /p parameter. You will be prompted to enter the password and the command execution will take place after that.
R Command For Confidence Interval
![Command Command](/uploads/1/1/8/0/118035617/510049692.jpg)
Errors:
Using getmac command we can retrieve the mac addresses of the machines running windows OS only. If you try this for a Linux machine you would get the error “The RPC server is unavailable.”
![Mac recovery Mac recovery](/uploads/1/1/8/0/118035617/162445690.jpg)
If you provide incorrect password, the command would fail with the error message “Logon failure: unknown user name or bad password.”
R Shortcuts For Mac
Also Read:
Windows CMD commands reference
Windows CMD commands reference