If you’re working in Terminal on your Mac, you need to know the most important UNIX commands: those that work with directories, those that work with files, and miscellaneous but commonly used commands.
- MacOS Terminal Commands: Permissions. Permissions affect which users can view, edit and execute specific files. Files and folders have an owner, which is normally the user that created it, and modes, which control the users that can access the file, as well as what they can do with it. These commands are the first commands that we’ll use sudo.
- When you think of Terminal, you probably imagine some hacker sitting in front of their computer in a dimly lit room trying to break into an FBI database. In reality, it's just a simple tool that can make using your Mac much easier. Now, I'm not saying that learning Terminal commands.
After writing up the presentation for MacSysAdmin in Sweden, I decided to go ahead and throw these into a quick cheat sheet for anyone who’d like to have them all in one place. Good luck out there, and stay salty. Get an ip address for en0: ipconfig getifaddr en0 Same thing, but setting and echoing Continue reading Mac Network Commands Cheat Sheet. Sep 21, 2018 $ - requires given linux commands to be executed as a regular non-privileged user; Instructions Change to a Random MAC address First, let's see how we can use macchanger to change network card's hardware MAC address to a random address. We can start by investigating our current MAC address of eg eth0 network interface.
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Folders are called directories in UNIX. Commands that refer to filenames, as most do, assume that you’re talking about files in the working directory. When you open the Terminal window, the working directory is set to your home directory, abbreviated ~. Bash shows you the current working directory and your username to the left of its prompt. The following table lists common directory-related commands.
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Command | What It Does |
---|---|
ls | Lists the names of the files in the working directory. For more complete information, use ls –alF (. |
cd directoryname | Changes the working directory to the one you named. |
cd . | Brings you up one directory level. |
cd | Returns you to your home directory. |
pwd | Displays the pathname of the current directory. |
mkdir newdirectoryname | Makes a new directory. |
rmdir directoryname | Removes (deletes) an empty directory. |
As in Windows, you can redirect the output of a command to a text file. So if you want a record of the files in a folder, type cd, followed by a space, drag the folder’s icon to the Terminal window, and press Return. Type ls > mydirectorylist.txt and press Return again. A file named mydirectorylist.txt will appear in the folder you chose. You can open the file in TextEdit to see a list of the files in that directory.
This table lists commands commonly used when working with files in the Terminal window. How to get wurst hacked client on mac os.
Command | What It Does |
---|---|
cp filename1 filename2 | Copies a file. |
chmod | Changes permissions for access to a file. Study the man page before using this one. |
diff | Compares two files line by line (assumes text). |
more filename | Displays a text file one page at a time. Press the spacebar to see the next page; press Q to quit. The man command works through more. |
mv filename1 filename2 | Moves a file or changes its name. |
rm filename | Removes (deletes) a file. |
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This last table explains other handy commands that anyone getting started in Terminal will likely want to know.
Command | What It Does |
---|---|
Control+C | Terminates most operations. |
date | Displays the current date and time. |
echo | Repeats whatever appears after the command (after expansion). |
help | Displays a partial list of bash commands. |
history | Displays the last commands you typed. You can redo a command by typing an exclamation point (!) followed immediately (no space) by the number of that command in the history list. To repeat the last command, type !!. To repeat the last filename, type !*. |
pico | A simple UNIX text editor. |
ps | Displays a list of running processes. |
sudo | Lets you carry out commands for which the account you are using lacks authority. You will be asked for an administrator’s password. |
When you’re working in Terminal, you don’t have a Trash Can to which deleted files are moved pending ultimate disposal. Delete it, and it’s gone. In general, UNIX has no Undo function.