Terminal (or Terminal.app) is the program included in Mac OS X for running applications and issuing commands using the command line interface. These programs are controlled by typing lines of text, rather than using the mouse or keyboard commands in the usual graphical user interface (GUI).

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How can I Open Multiple Customized Terminal Shells?

How can I customized Terminal so that when I open the application it opens several shell tabs? If possible I would like to also have it run a different environment script for each tab. Example: Run ...
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Changing Terminal colors when ssh-ing into remote machine and back

Looking for a way automatically change terminal colors when ssh-ing into remote machine and revert back to the default colors, when exiting the ssh session. Simply, want have another colors when i'm ...
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How do I find the windowid of Google Chrome to pass to screencapture -l [duplicate]

I'd like to use screencapture -l to do automated screen captures of Google Chrome. This requires knowing the windowid of the Google Chrome process that's running. For apps that support Applescript, ...
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How can I process/read checkmarks on a paper form?

I would like to process a large number of scanned paper forms (GUI or command line). I am only interested in reading (custom) checkboxes. The form looks like this: every line has 6 circle-shaped ...
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Show text in large type on the screen via terminal

I can put large text on the center of my screen with certain apps, such as Address Book (click on a phone number and choose "Show in Large Type") or using Quicksilver (type some text and choose the ...
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Adding movie-style sound effects to the Terminal

I want to have movie style sound effects in the terminal. You know, when every keystroke and line emits a cool little beep. (Something like this.) I've used KeyClick, but that's only for keyboard ...
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Can Finder and the “open” command treat files with .sh or other typical extensions just like .command files?

I am looking for a way to inject some more extensions into the OS X launch services database systematically so that when clicked, they execute in the terminal app just like .command files do by ...
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Best rsync options to transfer data between two Mac

I am about to move my data from my old iMac to a brand new MacBook Pro. I would like to start over with a fresh install on B and copy just a subset of my data, reinstalling applications from scratch, ...
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How do I mount ejected external USB flash storage? [duplicate]

Suppose that we connect our flash USB drive to a MacBook, then eject this storage from Finder sidebar. Now I want to remount this storage without unplugging and replugging it into the computer, but ...
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Multiuser GNU screen sessions

I am attempting to set up multi user screen sessions on Mac OS 10.7.3 and I run into the error Attach attempt with invalid pid(xxx)!. If set it up as follows: Initial configuration of system: Make ...
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How to “chroot” a terminal inside a DMG?

I'm doing security research and for that purpose I use an SHA-2 encrypted DMG to store the tools and files I work with (containing confidential client info), to protect them from forensic examination ...
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Terminal not working after Yosemite installation

I installed Yosemite now and after the installation the terminal is not working. It used to work before, but after installation of the new OS X on Mavericks it is no longer working. How can I resolve ...
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Improved Terminal autocomplete funcionality (similar to Matlab's)

If any of you ever used Matlab, you might have noticed the command window functionality in that program. I wonder if it is possible to enable the same functionality in Mac Terminal. It works like ...
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Change my shell to a different bash version at /usr/local/bin/bash?

How can I set my /usr/local/bin/bash (which is the 4.2 version that allows auto-completion of 'cd to directory with directory name') to be my default bash for a new window instead of my regular ...
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What command combo at terminal will output a list of directories with human-readable sizes?

I'd like to open Terminal.app and enter a command like: my-macbook-pro:~ my-username$ ls -lh Instead of seeing the size of the folders in bytes that are in my current working directory, I'd like to ...
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Are Bash, Bourne, and Korn shells compiled into one binary in OSX?

On OSX 10.8, if you compare the binaries for bash, sh, and ksh, a few different shell options, they are the same size. If you take it further and cmp the binaries, there seems to be only a ...
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Is it possible that some hacker is logged in to my computer?

When I type w at the terminal I see myself logged in two times. What are console and s000? Is it possible that one of these neos is actually somebody else?
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How can I add a path to the PATH environment variable?

I want to add a path to the PATH environment variable? I have tried with export PATH=/mypath:$PATH and it works. But the next time I start the Terminal, my new path is not int the PATH environment ...
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Is there a UNIX-style triple click to select path in Terminal.app?

In Red Hat, if there is a path somewhere on my terminal window and I triple click it, the whole path is selected. I can then easily copy it using middle-click or a regular copy-paste. This doesn't ...
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Is there a beginners guide to Unix from the OS X point of view?

I'm hoping to build on my embarrassingly-limited knowledge of the command line, and I know there are a ton of great resources out there. I'm wondering if there are any books or other resources that ...
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How can I add reminders via the command line?

Once in a while it may be useful to add some reminders to Reminders.app from the command line — especially because they are synced to iCloud. Is there any way to do so? A solution that does not rely ...
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Is there a way to force Mac OS X to close all the applications when restarting?

I sometimes shut down my Mac, and I cannot wait it shuts down because I am urgently requested to do something in another office that would require some hours. In some cases, an application that opens ...
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Disable Spotlight Index on 10.8 on Specific Volumes

To switch off indexing in Terminal I use: sudo mdutil -a -i off This disables it with the -a switch across all volumes and the -i off part turns "off" the indexing. If connected to my iMac is the ...
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How can I have my shell always start in a certain directory that is not my home directory

I've tried putting cd /Users/my_name/my_directory/structure in both .bashrc and .bash_login but neither works, i.e. when I open a new terminal window I am in my home (/Users/my_name/) directory. ...
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What option should I give the sudo command to have the password asked through a graphical interface?

This problem has ben bugging me for a while now. Every now and then, I need to write a script file that should execute sudo commands. I do not necessarily know in advance that I will run as sudo so I ...
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Change *.txt to *.csv

How can I rename all *.txt in a directory to *.csv files in the terminal (Mavericks). I tried following inside the directory: mv *.txt *.csv
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Terminal command to bring up shutdown dialog?

I know how to shutdown a Mac from Terminal, but is there a way to actually bring up the shutdown dialog you get from Apple → Shut Down…?
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Is it possible to get the full suite of unix options for the command line tools on OS X?

I follow Unix Tool Tip on Twitter and it is interesting that many of the tips that are posted are not available on OS X. For example: cp - u will only copy files that don't exist, or are newer ...
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Merging Multiple CSV Files without merging the header

I need to merge multiple .CSV files (using the cat command) but without copying the header for each file. What's the best way to accomplish this task?
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Terminal uses one theme for the first window and a different theme for later windows.

I want to set the "Homebrew" theme to be the default in Terminal. I've changed the setting in the preferences: I chose "on startup, open" : "new window with settings" : "Homebrew". Here is a ...
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4answers
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Is there a better way to shutdown/restart OSX?

Whenever I want to shutdown/restart OSX I click on the menu, select shutdown, and then click the box for not saving the session, and then click OK. Then there's always at least one program that ...
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Opening a terminal window to a specific directory from a bash script

How can I write a bash script in Mac OS X that opens a Terminal window in a specific directory? I'd assume something like: open /Applications/Utilities/Terminal.app But that does nothing (maybe ...
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How to move the Downloads folder (in Mountain Lion) to another disc

I want the "Downloads" folder not on the system drive but on my second internal drive. In Lion I just deleted the "Downloads" folder and replace it with an alias with the same name (pointing to the ...
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691 views

What does Force Quit do in OS X?

How does the GUI interface for force quitting applications (⌘+⌥+esc) work? e.g. Does it work like killall Finder which would send a TERM signal by default?
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How to make Mac Terminal restore working directories when restarting

I use the Mac Terminal with a hand full of tabs each assigned to a different working directory. I have configured it to open new windows with the same working directory. Nevertheless, when I am ...
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Terminal behaving differently since updating to Lion

Ever since my company updated to Lion, terminal.app has been behaving differently. When I click on the dock icon, it sometimes opens several terminal windows at once, instead of a single one, and all ...
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How can I manipulate several security settings from terminal?

I want to change these behaviors from terminal: Auto-login Showing password after screensaver and sleep mode Go to sleep mode after x minutes Enable screensaver after x minutes
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Moving folder to Trash in Finder is not synchronized with Terminal

I tried to delete a folder which I access via terminal.app. Though the Finder moved the folder to the Trash, I was still able to see the contents and edit the file from terminal. created a textfile ...
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Terminal flashes on empty backspace with Yosemite

Since using Yosemite, I've had the annoying problem of my current Terminal window flashing when backspacing on an empty line. I know on previous versions of OS X this flashing was not default, and ...
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For iTerm2, how do I make the working directory appear in the window title?

I recently switched to iTerm2 from the default Terminal app and have a usability issue. On Terminal, the working directory you are in shows up on the title bar along with the process and pixel ...
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Terminal: Application Not Responding

A few days ago, Terminal.app suddenly stopped working. Whenever I open it, the little light below the icon in the dock turns on (and stays on), but no window appears. When I right-click the icon, I'm ...
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How to control AirPort wireless radio from the command line?

I want to know how to control (specifically turn off) the networking (specifically AirPort - I want to turn off the radio) from the command line (specifically from bash in Terminal.app, being run by ...
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How do I make symbolic links invisible in the Finder?

I use SetFile via the terminal to render files and folders invisible inside Finder windows. This does not appear to work on symbolic links: the symlink destination is made invisible, rather than the ...
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Newly Installed App (gem) Via Terminal, Path?

I have used sudo gem install to install a few gems. My question is how do I know where the executable was installed, so I can add it to the path in .bash_profile?
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Turn on Back To My Mac via a Script or Command Line

The VPN software I use for work (IPSecuritas) requires me to turn off Back To My Mac to start it's connection, so I frequently turn off Back To My Mac in order to use my VPN connection (the program ...
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Script to raise a single window to the front

In a script I'm trying to find the Terminal.app window containing a specific tty device and raise that window to the top. Here's what I have in Applescript so far: tell application "System Events" ...
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ssh key persists even after I delete the private key from ~/.ssh — why?

I generated ssh keys (public and private) and stored them in ~/.ssh/myServer/. I added the public key to the server's ~/.ssh/authorized_keys file and everything works great! In my effort to try and ...
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Figuring out what IP's and Ports a program is accessing

I play poker semi-professionally online and live. When I play online I have a hard time limiting the amount of time I play. There is a free application I found called self-control. It allows you to ...
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How to put a custom launcher in the Dock (Mavericks)

I am new to Mac OS (I am currently using Mavericks) and I have performed google searches as well as search on StackExchange regarding my question but the discussions I came across don't quite answer ...
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Open Terminal.app with directory from a given URL?

With the URL <file:///Library/Fonts> (for example in a note in NV) I can open the finder with the given location. Can I do something similar for the terminal? That is, if I write for example ...