Using programs and commands that do not have a graphical user interface (GUI) but are rather controlled by typing text commands into a terminal program, or shell.

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161
votes
8answers
85k views

How can I trigger a Notification Center notification from an AppleScript or shell script?

I'd love to be able to take advantage of 10.8's Notification Center features in AppleScripts and shell scripts I write. Is there a built-in command or a third-party library I can use from either an ...
124
votes
5answers
64k views

git auto-complete for *branches* at the command line?

On my linux machine I have autocomplete for branches with git. [Note we are talking about git branch completion, not bash completion (e.g. commands, files, etc). Thus NOT lane's answer at all] For ...
101
votes
5answers
179k views

Can I open files in TextEdit from the Terminal in Mac OS X?

I frequently find that a terminal command to open a file in TextEdit would be very handy. Does such a command exist on Mac OS X?
100
votes
9answers
77k views

What is the difference between iTerm2 and Terminal?

I keep hearing that iTerm2 is much better than Terminal. I downloaded iTerm2 today and played around with it, but I couldn't see what is so much better about iTerm2. iTerm2 seemed just like Terminal. ...
94
votes
17answers
107k views

Is there a Mac OS X Terminal version of the “free” command in Linux systems?

On Linux, I often use the free command to see the current amount of free and used memory in the system. For example: $ free total used free shared buffers cached ...
92
votes
9answers
166k views

Why doesn't .bashrc run automatically?

I put some alias commands in my .bashrc file, so that they might be loaded everytime I open a new Terminal window. Yet this doesn't happen. I have to select run script: in the ...
88
votes
1answer
117k views

How do I launch Finder from terminal or command line [duplicate]

I use command line a lot, like most programmers. I want to be able to launch Finder, Safari or any other application for that matter from command line e.g. finder . where it will start Finder ...
66
votes
11answers
29k views

How to move files to trash from command line?

I do a lot of terminal work, and today had the experience of typing rm fileInQuestion.txt Before finding out that I did actually need fileInQuestion.txt. If I'd deleted in the GUI then I would have ...
49
votes
9answers
16k views

How do I speed up new Terminal tab loading time?

How can i speed up the terminal startup in Lion? I'm not referring to the startup of the Terminal application, but to the startup terminal windows, like when i open a new tab. I don't have anything ...
46
votes
5answers
88k views

Can I get the CPU temperature and fan speed from the command line in OS X?

Is there a command I can run from the command line in OS X to get the current CPU temperature and/or the fan speed(s)? To be more specific, I'd like to be able to get the same info available in the ...
40
votes
2answers
18k views

Linux' `ps f` (tree view) equivalent on OSX?

How can I get a tree view like the one below on OSX? vartec@some_server:~$ ps xf PID TTY STAT TIME COMMAND 11519 ? S 0:00 sshd: vartec@pts/0 11520 pts/0 Ss 0:00 \_ -bash ...
39
votes
2answers
68k views

Why doesn't Mac OS X source ~/.bashrc? [duplicate]

I found a lot of people figuring out why instruction similar to this : Put X to your ~/.bashrc and you can do Y don't work. It always turns out that Mac OS X's bash's startup files (or Mac's ...
38
votes
5answers
118k views

How can I list all user accounts in the terminal?

How can I list all local user accounts (whether logged in or NOT so 'users' or 'who' is no good) in the terminal on a mac? OS X version is 10.6.8. I have seen this suggested - dscacheutil -q group ...
38
votes
2answers
1k views

Where should I store command line applications?

When I download command line applications they are located in my ~/Downloads/ directory. But I feel this is wrong place to have a command line application located. Where in the Mac OS X filesystem ...
37
votes
5answers
8k views

Is there a way to access a Mac's geolocation from terminal?

Some GUI apps use OS X location services, but I want to retrieve a Mac's physical location from the command line. This could be useful for running scripts, switching settings etc. The mechanism should ...
36
votes
2answers
102k views

List all devices connected, lsblk for Mac OS X

In Linux if I want to see all the devices currently connected to my computer in the command-line, I run: lsblk or blkid What's the equivalent command under Mac OS X? NOTE The goal here is ...
35
votes
7answers
14k views

How can I change a file or folder icon using the Terminal

How can I change or set the icon for a file or folder, in the terminal, do I need to use a scripting language?
35
votes
4answers
20k views

MacPorts vs. Fink vs. Homebrew [duplicate]

I always used MacPorts to install and maintain my GCC compilers and other programs. Now I've heard about Fink and Homebrew. It seems these two utilities are gaining ground in the Mac community, but I ...
35
votes
7answers
51k views

How to always show menubar with fullscreen apps?

Does anyone know if it is possible to keep the menubar in Mac OS Lion visible for fullscreen apps instead of hidden until hovered over with a mouse or trackpad? I imagine there's some Terminal ...
33
votes
13answers
76k views

Password dialog appears when SSH private key permissions are set to 0600

I installed my SSH private key in ~/.ssh/id_rsa and set its permissions to 0600. When I connect to an SSH server which uses my private key in Terminal.app via ssh, a dialog pops up and asks me to ...
32
votes
6answers
115k views

How do I start TextEditor from the command line?

I work a lot at the command line in a Terminal and would like to start a text editor on a certain file. I'm from Linux Land and normally use kwrite or gedit from a bash shell. Trying to find the Mac ...
31
votes
8answers
22k views

Can home and end keys be mapped when using Terminal?

The home and end keys on a MacBook Pro can be emulated with fn + left arrow or fn + right arrow. Or when certain settings are changed, with the Command (Apple) key instead of fn. None of these ...
29
votes
15answers
20k views

Lock Screen Command One-Liner

I'm trying to find out whether there is any kind of equivalent command line one-liner which replicates the exact identical functionality of the 'Lock Screen' menu option available via the Keychain app ...
26
votes
2answers
27k views

Run AppleScript from bash script

If I wanted to run an AppleScript from within a bash script I could call a file with the list of commands that I require to execute. #!/bin/bash {some commands} osascript file.scpt {other commands} ...
25
votes
5answers
4k views

Did `man ls > temp.txt`. Output textfile is corrupted

When I execute man ls > temp.txt the output text file is corrupted. By corrupted I mean that first and last letters in some words are overly repeated. Several first lines in temp.txt: LS(1) ...
23
votes
4answers
7k views

Can Mac App Store installs & upgrades be automated?

How can I script installing or upgrading apps from the Mac App Store? I'd prefer command line tools, but AppleScript or some other API would suffice. Relevant puzzle pieces: installer: note ...
22
votes
5answers
83k views

Why does OS X Mavericks block the purge command in Terminal?

When I try the purge command on my terminal, OS X Mavericks gives me the following message: Unable to purge disk buffers: Operation not permitted This hasn't been the default behavior until now. I ...
20
votes
2answers
11k views

How do I reset the scrollback in the terminal via a shell command?

When using Terminal.app, you can clear the screen by using the shell builtin clear or by pressing ^+L (Control-L). However, all this does is push the current screen content back one screen height ...
20
votes
4answers
17k views

How do I take a steathy picture with my iSight camera from the command line?

Is there a command line utility that allows me to take a picture from the built in camera? Something like screencapture allows for, well, screen captures. The reasoning for a command line tool is I ...
20
votes
2answers
21k views

How can I find the serial number on a mac programmatically from the terminal?

What command can I use to retrieve the system's serial number from the unix command line? As uname will output some information about the software and hardware, I would like to retrieve the serial ...
19
votes
1answer
3k views

Is there console mode in Mac OS X?

Is there something like Linux console in Mac OS X? Like "terminal", but without running graphics environment.
18
votes
2answers
14k views

Amending PATH so that /usr/local/bin is ahead of /usr/bin

I'm trying to install brew but get the following warning: Warning: /usr/bin occurs before /usr/local/bin This means that system-provided programs will be used instead of those provided by Homebrew. ...
18
votes
3answers
29k views

What steps are needed to create a new user from the command line?

What commands (or script) can create a fully functional user account on Mountain Lion, running only from the command line via terminal or ssh. It looks like an existing pair of answers might work, ...
17
votes
3answers
17k views

Is there a command to install a dmg

I want to install a dmg file on a remote server. All I have is an ssh access. Since a DMG is a disk image, I tried to mount it, but mount does not seem to recognize its format. file says my dmg file ...
17
votes
4answers
11k views

How can I install the Command Line Tools completely from the command line?

I'd like to script the installation of the the Xcode Command Line Tools. On Mavericks, xcode-select --install will open a dialog prompting the user to install, but I'd like to trigger the install ...
16
votes
3answers
12k views

Can I install or update Mac App Store apps through a command line using terminal? [duplicate]

Is there an official way provided by Apple or a workaround so that I can install or update Mac App Store apps through Terminal?
16
votes
1answer
19k views

Is there a Mac OS X equivalent of the Linux iwconfig command?

I'm looking for a command line tool in Mac OS X that performs the equivalent of the iwconfig command in Linux. Example: kirkland@x220:~/src/byobu/byobu$ iwconfig wlan0 wlan0 IEEE 802.11abgn ...
16
votes
2answers
9k views

What is the difference between .command, .tool, and .sh file extensions?

I saw a couple of questions about executing command line scripts? I saw that the .command and .tool extensions were mentioned. I have always used .sh. What is the difference between these different ...
16
votes
3answers
4k views

How to update App Store application from command line?

I would like to force an update of App Store applications from the command line. How can I do this?
16
votes
1answer
248 views

Is it possible to get via CLI the commercial name (Lion, Mountain Lion, Mavericks, …)

At the moment I'm using both uname and sw_vers darwin_version=`uname -r` osx_version=`sw_vers -productVersion` But if I want to display the commercial name (Lion, Mountain Lion, Mavericks, ...) I ...
16
votes
1answer
2k views

Why is lsof on OS X so ridiculously slow?

I can't figure out why lsof on my Mac (10.8.2, MacBook Pro) is so slow. On my Mac, lsof takes more than a minute: $ touch /tmp/testfile $ time lsof /tmp/testfile real 1m16.483s user 0m0.029s ...
15
votes
8answers
15k views

How to retrieve current wattage info on OS X?

Is there a way to retrieve the current watt usage info on OS X Snow Leopard? I'm using mid-2010 iMac, so I'm not looking for just battery-related apps. Does OS X even monitor power usage? Do I need ...
15
votes
2answers
34k views

How do I create a symbolic link to a directory with a space in it?

I was trying to create a symbolic link using the following command: ln -s "~/Foo Bar/" Foo ... but it didn't work (i.e. when I go into finder and try double clicking it, it says that it's pointing ...
15
votes
3answers
5k views

What is the “+” mark at the end of file description?

When I execute 'ls -al~', I see + marks, and it prevents me from moving/deleting files. drwxr-xr-x+ 5 prosseek admin 170 Oct 5 03:43 Desktop drwxr-xr-x+ 17 prosseek admin 578 Sep 25 ...
14
votes
4answers
6k views

Install shuf on OS X?

Ubuntu Linux has a great tool called shuf, which works like head except that it gives you ten random lines. I couldn't find it on Homebrew. What is the simplest way of installing it on OS X?
14
votes
6answers
18k views

How to send an email from command line?

How to send an email from command line or script? I want to be able to run the script programmatically by passing the receiver and the message.
14
votes
3answers
8k views

Change default shell from bash to zsh

I've tried to switch my default shell to zsh, using chsh: chsh -s /bin/zsh and: chsh -s `which zsh` Both commands ended with: Changing shell for adamatan. Password for adamatan: chsh: ...
14
votes
2answers
11k views

Is it possible to run Nautilus on OS X?

Is it possible to run Nautilus instead of Finder on Mac OS X Snow Leopard? How?
14
votes
2answers
1k views

Can I call a phone number from the Terminal?

In Yosemite, is there a way to start a phone call from the command-line aka Terminal? Something like: call +316123456789
14
votes
2answers
19k views

How does 'stuck' (in results of 'top') relate to 'not responding' (in Activity Monitor), 'spin' or 'hang'?

In results of top commands, I sometimes see stuck. Apple's top(1) OS X Manual Page does not explain this use of the word. How, if it all, does stuck relate to the following? not responding – ...