How to Ping a Printer for a Mac

Click the 'Finder' icon in the Dock at the bottom of the window.
Highlight 'Applications' from the 'Places' list on the left side of the 'Finder' window.
Open the 'Utilities' folder and then double-click the 'Terminal' icon. An empty command prompt window will appear.
Type 'ping' followed by a space and then the IP address of your network printer. For example, if your printer's IP address is 10.1.1.7, you would type 'ping 10.1.1.7' into the command prompt.
Hit 'Return' on your keyboard to run the command.
Wait for the ping results to start loading in the window and then hold down the 'Control' and 'C' keys to halt the 'ping' command. If the results say the device responded to the data bytes, it means your network printer is online and connected.
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How to Empty Trash on a Mac

Click and drag the file, document, or folder you want to delete to the trash can sitting on the Dock on the right side of your screen. Alternatively, navigate to the item you want to delete and right-click on it to highlight it. Select 'Move to Trash' from the contextual menu that opens up. Once the file is in the trash, Click any empty space on the desktop, then click 'Finder' at the top left of your screen and select 'Empty Trash' from the pull-down window. Click on the trash can to verify it has been emptied. If files are still there, move to the next step.
Move the item or items you want to delete to the trash using either of the above methods. Click on the Finder at the top left of your screen and hold the 'Option' key on your keyboard while you select 'Empty Trash.' Click on the trash can to verify it has been emptied. If files are still there, move to the next step.
Quit all applications if you receive an error message saying the file can't be placed in the trash because it is open. Place the item in the trash through the conventional methods. Empty the trash by selecting 'Empty Trash' from the Finder menu. If files are still there, move to the next step.
Repair file permissions. Open the Disk Utility application that resides in the Utilities folder in your Applications folder. Select your system hard drive in the window on the left side of the Disk Utility window. Click 'Repair Disk Permissions' at the bottom of the Disk Utility window and wait until you receive a message that says the permissions have been repaired. If files are still there, move to the next step.
Click 'Finder | Applications | Utilities | Terminal' to open the Terminal. Type the command 'rm -rf ~/.Trash/*' without quote marks into the Terminal window. Press 'Return.' Click on the trash can to verify it has been emptied.
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How to Make a Folder File on My Mac Desktop

Access the desktop of your computer. You may need to minimize any open program windows or switch to an empty desktop screen if you have the Mac's Spaces feature enabled.
Pres and hold the Ctrl key and click the desktop background. Ctrl + click is the basic command that provides many of the same options as a right-click in Windows.
Select 'New Folder.' A new, untitled folder immediately appears on the desktop. Click the folder and press Return to rename the folder.
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How to Clean up Mac Trash Temp Files (3 Steps)

Two-finger click the trash icon in the dock on the Mac desktop. Another option is to double-click the trash icon to open the trash can window.
Click on 'Empty Trash' in the menu that appears after two-finger clicking. After double-clicking, a new window appears. Click on the button that says 'Empty' at the top right corner of the window.
Hit the power button and click on 'Restart.' This shuts down and turns your computer back on, which clears the temporary files.
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How to Delete Memory Cache on Safari (8 Steps)

Open up the Safari Web browser.
Click on the heading 'Safari' and choose 'Empty Cache' from the pull down menu. It will then ask you if you really want to delete the cache.
Click on 'Empty' if you are ready to clear Safari's memory cache.
Close and reopen the Safari Web browser.
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