To switch among programs already running in macOS, hold down the command key while pressing tab multiple times until the program you want is highlighted with its name in the pop-up list.
Much better than something like:. List the first process with Parent process ID of 0 launched into user space at boot by the system kernel:. This can be generalized in a shell program containing:. Alternately, Linux has a command which returns the PID associated with a process name. The response is like:. Some applications are written to receive a sigterm so that it can take steps to gracefully cleanup and exit.
Many WordPress developers prefer to add a folder named Sites which holds the wordpress folder expanded from download. By default, the Terminal shows the hard drive and lowest level file folder name, in white letters over black. List all hidden files with permission settings, piping the listing to more instead of having results flying by:. AppleShowAllFiles - specifies which preference you want to change within the application. For more on this, see this. To set wireless device en0 up or down without clicking on the icon at the top:. OSX does not come with the tree command that many other Linux distributions provide.
So add it using:. By default, if you move the mouse to one of the corners of the screen, stuff happens. It can be annoying.
The lower-left corner is less popular location on Mac than Windows. Mac, Windows, and Linux systems have a hosts file that locally does the work of the public DNS — translating host names typed on browser address field to IP address numbers. For example, in a file on every macOS:. Analysis at one time showed this ranking by speed:.
Different commands are needed for different versions of OS. OSX The profile file is run during boot-up to configure the terminal to define file path, shims, and autocompletion handlers. One of the earliest articles on bash here shows shell variables, environment variables, and aliases. According to the bash man page ,.
See Distriwatch. Paul Irish is one of top pros among developers, and now a Google Evangelist. He put his Mac configuration settings on github. But he recommends cloning github. On the Git page notice that he has established an industry convention of using Projects folder we defined earlier. By default, if you have a long file name, it would leave little room to type in commands before it wraps to the next line.
To redefine what appears in the prompt , edit this file using the vi editor that comes with each Mac: vi.
The root user has the ability to relocate or remove required system files and to introduce new files in locations that are protected from other users. After MacOS install, the root or superuser account is not enabled. It is safer and easier to use the sudo command to gain temporary root access to the system rather than logging out and logging in using root credentials. This command is my preferred way to get into root for awhile because it keeps the environment variables intact:. The command above uses a non-login shell, and reads just the.
Not all dot-files are executed. You'll find it on the far right side of the Preferences window. Check the "Show Develop menu in menu bar" box. It's at the bottom of the Preferences window. This adds the Develop tab to the menu bar for Safari. Click Develop. It's an option in the menu bar at the top of the screen. Click Empty Caches.
You'll see it in the Develop drop-down menu. Doing so will automatically clear your Mac's Safari cache. You won't see a pop-up window or a confirmation notice when the cache is cleared. Margaret Althea Elvenshadow.
If you're using Google Chrome as your browser, look at the top right corner, at the end of the search bar. You should see three dots in a vertical line. Click on them. A list should pop up. If you see an option that says "Develop," click on it. Near the bottom of the list, there is an option that says "Empty cache. Yes No. Not Helpful 5 Helpful 7.
The operation Empty Trash cant be completed because the item "Cache. How can I solve this issue? Not Helpful 1 Helpful 1. If I clear my Safari cache, will my computer lose all my files and information? In most cases, your documents and pictures are stored in the documents folder and pictures folder in your home folder, but certain apps, store sign-ins and other information in the cache will be lost.
I followed the steps and I get continuous set of messages saying I can't empty trash because xxxxx is in use. How do I get around this? Often this is because a specific program that uses that file might be open. I would recommend shutting all apps besides Finder and trying again.
In the handling of Unicast DNS is now managed by mDNSResponder - dscacheutil -flushcache now just tells mDNSResponder to restart. Oct 5, How to clear or flush the local DNS cache in macOS Mojave, Sierra, Mac OS X, Linux and Windows via the Flush DNS cache locally in macOS Mojave, Sierra, OSX, Linux and Windows. October 5, OSX –
If this still happens, restart your computer. Not Helpful 1 Helpful 0. Include your email address to get a message when this question is answered. Already answered Not a question Bad question Other. Tips If you use a different browser than Safari, you can clear your browser's cache from within the browser's settings.
It's normally a good idea to restart your computer once the cache has been cleared since clearing the cache can cause your Mac to run into errors or glitches until you restart it. Warnings Clearing the system cache may cause your Mac to crash. While your Mac should restart and begin working again without any problems, make sure that your work is saved and that you've exited any open programs before clearing the system cache.
I really do not like this Mac. I consider it an expensive mistake. Thank you, wikiHow, for the help. CG Caryn Ginsberg Mar 2, Did the basics, but this was particularly helpful going step by step in a clear, concise method. Faster resource than Apple forums - thanks so much! ST Scott T. Sep 7, This site made it easy, and I'm back to running normal!