questions narrowly about terminal.app alone should use this tag. Please consider using **command-line** for any question not specifically about the native terminal app

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6answers
4k views

How to prevent the application launched in Terminal from undesirably exiting?

I launch applications from the Terminal with commands like this one : /Applications/Mail.app/Contents/MacOS/Mail & The important part is the &. For Unix / Linux / Solaris : I have ...
8
votes
2answers
4k views

hdiutil: compact failed – Function not implemented

When compacting a sparse image with the hdiutil compact command, it fails with the message hdiutil: compact failed – Function not implemented.
8
votes
6answers
845 views

Where can I find a comprehensive and detailed technical software manual for OS X?

Are there books written for OS X (particularly the most current version) like the hundreds of thousands written for Unix? I'd like to know about the command-line utilities and the locations of system ...
8
votes
5answers
17k views

How to persistently define aliases in Terminal

I want to add aliases to my environment so that they are available in all Terminal instances. I got this answer: Yes, you can put it in your .bashrc, .bash_profile or .profile. On some systems ...
8
votes
2answers
3k views

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. ...
8
votes
4answers
6k views

Inconsolata font does not work in Terminal

I'd like to use Inconsolata as the closest free approximation of the Consolas font for editing and programming on my Mac. After downloading Inconsolata's OpenType file I changed TextWrangler's ...
8
votes
1answer
297 views

Unhide invisible files from the command line

By default, a number of system directories (such as ~/Library) are hidden in OS X (ie. they don't appear in Finder): I know I can do this through the GUI but I would like to add a script to my ...
8
votes
3answers
6k views

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 ...
8
votes
3answers
20k views

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?
8
votes
1answer
5k views

Is there a similar functionality of “Get Info” (Cmd+I) from the Mac OS X Terminal.app?

I would like to ask if in OS X there is a similar functionality of "Get Info" (Cmd+I) but from the Mac OS X Terminal.app? I mean something like finderGetInfo /path/to/a/file.ext which will output the ...
8
votes
1answer
28k views

Full privileges on .command file, but it says I don't have appropriate privileges

I have a command that I regularly need to run in the Terminal (for application code signing). Normally I launch the Terminal, press the up arrow until I reach the command I want, and then hit enter. ...
8
votes
1answer
3k views

Completely clear all output from a Terminal window

I would like to clear all output from a Terminal window (including all historical output) to get it back to a clean state as if you had just opened a new Terminal window, or a new Terminal tab. I can ...
8
votes
4answers
6k views

Remotely SSH to IP address in home network

I've got a device at home I want to SSH to from work. The device has port 22 open locally and I have port 22 opened on my AirPort Extreme. However, on the AirPort Extreme it says the open 22 port only ...
8
votes
2answers
10k views

What does -HUP do when used with killall?

Sometimes when I'm running a killall command from Terminal, a co-worker would suggest or edit my scripts to show killall -HUP. What does the -HUP part do?
8
votes
2answers
5k views

Linux 'Byobu' equivelant for mac

So at home ive been a linux user for a while, and frequently use byobu in the terminal. After a little searching I was unable to find anything like it for a mac, which I now have to use at work. I'm ...
8
votes
1answer
2k views

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 ...
8
votes
1answer
4k views

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 ...
8
votes
1answer
3k views

In iTerm2 Command Click on URLS does not work when inside a tmux session

When not inside a tmux session, Command-Click on URLs works flawlessly. How can I make links clickable in iTerm2 when inside a tmux session? When hitting Command the mouse pointer changes to the ...
8
votes
1answer
1k views

Access Airport signal data

I want to be able to write the current list of Wifi networks in airport, and their respective strengths, to a file. I would like to use some sort of bash script to do this, but I am unsure how to ...
8
votes
3answers
2k views

TotalTerminal doesn't work with full-screen apps

TotalTerminal (former Visor) is an awesome plugin for Terminal that turns it into a Quake-style console that slides down on a key combination. This is tremendously useful for development because I ...
8
votes
2answers
4k views

How can I merge two similar-but-not identical folders?

I have a folder (which is filled with many many sub-folders and files) which is on a FireWire drive [source] which I am trying to move to a USB drive [destination]. I am trying to move all of the ...
8
votes
1answer
677 views

Why do I have 2 IPv6 addresses?

If I go to System Preferences > Network > Advanced it is shown that I have 2 different IPv6 addresses (both with a 64-bit prefix). Why is so? If I type ifconfig | grep inet on the terminal, it ...
8
votes
2answers
448 views

Check if caps lock on in terminal

Is there a way to query the system to tell if the caps lock is on or is off from the command line in terminal.app?
8
votes
1answer
2k views

Why does the folder icon in my Terminal have a question mark overlaid?

From time to time, I spot that the folder icon in the titlebar of one of my Terminal windows has a question mark overlaid on it, e.g. this one: What does this mean? It doesn't seem to have any ...
8
votes
2answers
8k views

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 ...
8
votes
2answers
557 views

How would I go about making a stand alone app on my dock to open a game using a terminal command?

I have a game that they never released for mac, and I installed the game using WINE, the install itself was flawless, but every time I want to play it, I'm forced to open Terminal and run cd ...
8
votes
3answers
7k views

Change file association in terminal?

Is there a method for associating file types with applications via terminal? I thought ~/Library/Preferences/com.apple.launchservices.plist might do it, and I also have seen: Why is a command line ...
8
votes
3answers
16k views

How do I check the download progress of Mountain Lion through the terminal?

I am downloading Mountain Lion, I know I can monitor download progress through the Mac App Store purchases screen but I want to know if I can monitor progress through Terminal.app using a shell ...
8
votes
5answers
4k views

Open new terminal window in current space, regardless of other open terminals in other spaces

When using Spaces on Mac OS X trying to open a new terminal instance results in focus being pulled to whatever space has the most recently accessed terminal window. With Finder I can click on the ...
8
votes
3answers
6k views

Need help using Homebrew 'Services' command

I installed MongoDB using homebrew recently. A few articles on the web advise to start mongo using the following command, brew services start mongo But when I use this command, I get the following ...
8
votes
2answers
3k views

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 ...
8
votes
3answers
3k views

When Terminal forks process, current app loses focus

While I'm running some program in Terminal (or iTerm2), when the program forks the process, the OS X desktop switches focus from the current application to the forked process. When this happens, the ...
8
votes
2answers
6k views

Changing Preview.app's default View state in Lion

One thing I dislike about Preview.app in Lion is its defaulting to Continuous Scroll as the view option when a new PDF document opens. My recollection is that previous behaviour was for the last-used ...
8
votes
3answers
5k views

Why don't my arrow keys work in vim under iTerm?

They work just fine if I use Terminal and start a vim session, but under iTerm I have to resort to using H-J-K-L to do left-up-down-right movement. In both Terminal and iTerm TERM=xterm-color. My ...
8
votes
1answer
16k views

LSOpenURLsWithRole() failed with error -10810 - Downloaded app does not start

I'm trying to run an application downloaded from the internet (e.g., Jabref) but it seems that it fails silently. When I try to open it by double clicking it, nothing happens. When I use the terminal ...
8
votes
2answers
1k views

xcodebuild firing after every terminal command

After every terminal command, the prompt becomes unresponsive for 2-3 seconds. During this time xcodebuild seems to be running: Where would this hook be that's causing the xcodebuild to be fired? I ...
8
votes
3answers
2k views

How can I get the Terminal to keep a separate history per tab/window?

When I restart my Mac it quits and saves the buffers for each tab properly, since it's there again when the computer starts back up. But the command history is not buffered properly per window/tab. ...
8
votes
1answer
3k views

How do I run this command in verbose output mode?

I want to update my OS X Mavericks USB key and would like to be able to see what my mac is doing after I enter the following command. sudo /Applications/Install\ OS\ X\ ...
8
votes
1answer
2k views

How can I initiate a Google Voice phone call from the command line?

Thanks to Brett Terpstra I can easily send an SMS through Google Voice in Terminal, but now I want to be able to initiate a phone call via Termainal too. There is no Google Voice API (yet?) so I know ...
8
votes
3answers
19k views

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 ...
8
votes
2answers
2k views

mount is adding a quarantine flag, causing: /bin/bash: bad interpreter: Operation not permitted - but not the usual suspects

OK, I'm having a similar problem to: -bash: Applications/mvim: /bin/sh: bad interpreter: Operation not permitted - but it's not the same problem. I'm getting the same result. I've already verified ...
7
votes
12answers
23k views

How do I remove crashplan from my Mac

I recently tried out CrashPlan on my Macbook, but I decided not to go through with that. However, now that I'm not going to be using CrashPlan after all, I can't figure out how to remove their app ...
7
votes
1answer
826 views

Terminal becomes unresponsive when a “sudo” password prompt is displayed

When asked to type my password to run a sudo command, the USB keyboard goes unresponsive and I cannot type in the password or anything else. I can hit return three times to bounce out on three failed ...
7
votes
5answers
127k views

Where do I find my user folder in the OS X folder hierarchy?

In Terminal, how do I go from Macintosh HD to places such as johnsmith that contains Downloads, Desktop etc. In a Finder window, it seems they are independent of each other. From Macintosh HD, I see ...
7
votes
2answers
29k views

Why can't I run `su`? (and how should I do?)

Whenever I try to issue su I get this: $ su Password: su: Sorry Needless to say, I'm entering the correct admin password which does work with sudo. What I want is not having to enter sudo each ...
7
votes
3answers
12k views

Change Terminal.app's Default Shell to BASH

How can I change Terminal.app's default shell to BASH? For some reason, my friend's Mac (10.6.6) defaults to using TCSH instead of BASH. The obvious remedy is to choose /bin/bash as the command to ...
7
votes
2answers
437 views

How do I swap Ctrl and Alt in just the Terminal?

I have a USB keyboard where I swapped my Cmd and Ctrl keys, because I come from the world of Linux and that's just what I'm used to. However, this causes a problem in the Terminal because all of a ...
7
votes
2answers
617 views

rm does not support long-form --recursive, --force on Mac?

This seems crazy, but I just checked in a build script that switched from rm -rf to rm --recursive --force, since it would be more readable. And a collaborator who uses a Mac is reporting this breaks. ...
7
votes
1answer
16k views

How to remove an environment variable on Snow Leopard

I'm running under Snow Leopard 10.6.8 and I recently added an environment variable which it seems to be messing my bash terminal (I guess). What I did is add the variable ...
7
votes
2answers
14k views

Editing System Preferences via Terminal

Am looking to edit system preferences settings via the command line but cannot for the life of me find the correct names of variables. In Login Options under Users & Groups, I would like to be ...