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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1answer
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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
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3answers
18k 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?
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votes
4answers
5k 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
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
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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
3k 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
16k views

How to uninstall zsh

I'm new to Mac. A friend installed all kinds of additional software including zsh which I would like to uninstall. So how can I uninstall zsh?
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
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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
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2answers
3k 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
558 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
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2answers
405 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
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2answers
9k 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?
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2answers
2k views

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 ...
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
1answer
2k views

How to share history between terminal tabs?

I generally find myself using two or three tabs in my Terminal on OS X. A minor inconvenience is often that the tabs don't share a command history. So things like history | grep thingIamlooking for ...
8
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2answers
497 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
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 ...
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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
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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
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
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 ...
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3answers
17k 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 ...
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2answers
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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 ...
8
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2answers
2k views

How to isolate processes that evoke insane mds_stores disk read activity?

I have an interesting situation where when I monitor my disk activity, I find that mds_store is continually running between 1 to 35 megabytes per second (averaging around 3-5 MB/s) on the read and ...
7
votes
2answers
25k 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
11k 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
594 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
12k views

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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6answers
3k views

OS X Terminal equivalent of Ctrl+Left / Ctrl+Right

In Windows and Linux I could always hit ctrl+← or ctrl+→ to skip a word to the left or right in the terminal. In text editors it seems that ⌥+←/→ works, but no dice ...
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2answers
13k 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 ...
7
votes
2answers
741 views

Is there anyway to have a badge icon appear on the Terminal icon when a command completes?

I currently have an Applescript app that opens Terminal windows and completes commands. I would like a badge icon to appear on the Terminal icon when a command completes. I need this because I often ...
7
votes
6answers
1k views

Are there any global key combinations suitable or specifically reserved on OS X for user assignment?

I'm trying to identify an appropriate global hotkey to set in iTerm2's preferences for showing/hiding it: I'd like to avoid any conflicts with other applications' hotkeys or other future use. Are ...
7
votes
2answers
2k views

How to open a new tab in iTerm in the same folder as the one that is open?

I'm using iTerm for my command line needs, and when I open a tab using ⌘T I want it to open the tab cd'ed to the same location as the tab that was open when I hit ⌘T (instead of opening in my ...
7
votes
3answers
1k views

Can the contents of a partition be recovered after partition table is overwritten?

I ran a command to make my external hdd bootable knowing that it was risky considering the command itself did not allow me to specify a partition to which to write. (In hindsight, I would now call ...
7
votes
1answer
7k views

How to launch pdf viewer from the terminal

I'm working using LaTeX, since I compile the document in the terminal, it would be much easier for me to open it in pdf viewer directly from the terminal. I'm using OS X 10.8.2 in Polish, so I'm not ...
7
votes
2answers
4k views

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 ...
7
votes
5answers
7k views

How to make terminals open side-by-side?

I use terminals a lot, and I frequently open and close them. The problem is that whenever I open a new terminal using ⌘+n it overlaps the current one, and I have to move it out of the way first. ...
7
votes
2answers
6k views

How do cope with a space when setting the $PATH

I want to add the sublime lib to my path but it has a space in it. I have tried the obvious like you would navigate in the terminal E.g /Applications/Sublime\ Text\ 2.app/Contents export ...
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votes
3answers
4k views

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 ...
7
votes
3answers
6k views

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
7
votes
4answers
611 views

Can I run top as screensaver?

My employer has recently issued me a MacBook Pro to play with. I have a lot of Linux experience, but I was struck by how nice the terminal looks on the Mac in full screen mode, especially when running ...
7
votes
1answer
1k 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 ...
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2answers
7k 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 ...
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5answers
3k views

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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votes
3answers
5k 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 ...
7
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 ...
7
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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 ...