How to undo all terminal commands mac

Terminal is a Mac command line interface. The Terminal app is in the Utilities folder in Applications. To open it, either open your Applications folder, then open Utilities and double-click on Terminal, or press Command - spacebar to launch Spotlight and type "Terminal," then double-click the search result.

In the title bar are your username, the word "bash" and the dimensions of the window in pixels. Bash stands for "Bourne again shell". There are a number of different shells that can run Unix commands, and on the Mac Bash is the one used by Terminal. If you want to make the window bigger, click on the bottom right corner and drag it outwards. The quickest way to get to know Terminal and understand how it works is to start using it. To run a command, you just type it at the cursor and hit Return to execute. Every command is made up of three elements: You should now see a list of all the files in your Documents folder — ls is the command for listing files.

To see a list of all the commands available in Terminal, hold down the Escape key and then press y when you see a question asking if you want to see all the possibilities. To see more commands, press Return. Unix has its own built-in manual. So, to learn more about a command type man [name of command] , where "command" is the name of the command you want find out more about.

Firstly, every character matters, including spaces. If you want to re-run a command, tap the up arrow key until you reach it, then press Return.

Clear All of Your Bash History

Commands are always executed in the current location. Use the cd command, followed by a directory path, like in Step 1 above, to specify the folder where you want a command to run. There is another way to specify a location: Now save it to the TerminalTest folder in your Documents folder. Now type ls and you should see "TerminalTestFile" listed.

That will change the name of the file to "TerminalTestFile2". You can, of course, use any name you like. 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: Like on PCs, the PATH environment variable stores where the operating system should look to find a particular program to execute. This applies to all users.

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. Any user with an administrator account can become the root user or reset the root password. After Mac install, the root or superuser account is not enabled. Jessie suggests this to create a Windows like shortcut with parameters in the Comments field. Another alternative is to use a text editor to create URL shortcut files like the ones Windows Internet Explorer stores its bookmarks.

Apple Safari recognizes them when clicked within Finder. So they are cross-platform. In Finder, select from the left panel the first item under the Devices list. Click on your username wilsonmar in my case. This action is the same as clicking on the last default item under the Favorites list. Many WordPress developers prefer to add a folder named Sites which holds the wordpress folder expanded from download. When invoked on Mac OS This occurs because curl, being under Yosemite, uses IPv6 by default but some apps, such as LoopBack.

See if you see IP v6 entries in your hosts file:: If they are there it is likely that curl is making requests using IP v6.

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• Clear the Current Session’s History.

By default, operating systems limit how many file descriptors to allow. Each operating system version has a different approach. To change maxfiles on Sierra, define a plist. Some programs make calls to the operating system which OSX began to see as a threat, beginning with El Capitan. Apple says System Integrity Protection blocks code injection and many other things.

But what about useful programs such as XtraFinder which works by injecting its code into Finder and other application processes? Photo Credit: