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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12
votes
4answers
6k views

How much data has been written to my SSD over its lifetime?

Is there a Terminal command which will show me how many GB has been written to my SSD through the whole lifetime of the disk? I'm asking because I want to find out how many cycles have been done. SSD ...
12
votes
3answers
2k views

Can I customize ANSI colors in Terminal without extra tools like SIMBL?

I noticed that colors in the Snow Leopard Terminal.app aren't that great (using the Pro theme, but the other themes are worse). There seems to be no easy way to customize the colors, and googling ...
12
votes
4answers
239 views

in terminal, I cannot type lower case e

2015 MBP, fully up to date OSX I open a terminal window and if I type the letter "e" (without quotes of course) it beeps and will not type the letter. Every other letter works just fine in terminal. ...
12
votes
3answers
11k views

Show package contents from command line

When working at the terminal, I often use the open . command to open a finder window showing the current working directory. But if the current directory is actually a package, like a .app application ...
11
votes
3answers
223k views

How do I run terminal in sudo mode?

I was trying to install npm, and I got npm ERR! Error: EACCES, Permission denied '/usr/local/lib/node_modules' npm ERR! npm ERR! Please use 'sudo' or log in as root to run this command. npm ERR! ...
11
votes
9answers
716 views

Which command-line packages do you need? [closed]

I generally have one of Fink, MacPorts, Homebrew installed. Most often for a single, small, and trivial package. I've found that all my day-to-day software exists in OS X versions. So, which non-OS X ...
11
votes
2answers
3k views

Shell Script for Yesterday's Date

I'm trying to execute the following shellscript with hazel app on any file in the folder. It works, but the only thing thats causing a problem is the date for yesterday. #! /bin/bash saveDir="TJ" ...
11
votes
2answers
11k views

Time in milliseconds since epoch in the terminal

How do I get the time since the epoch, in milliseconds, in the OSX terminal? The Linux/Ubuntu equivalent is date +%s.%N: Linux $ date +%s.%N 1403377762.035521859 Which does not work in my OSX ...
11
votes
1answer
9k views

What is the difference between the sudo and su command?

What is the difference between the sudo and su command? Why does OS X handle these different than Linux?
11
votes
2answers
5k 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.
11
votes
2answers
5k views

How do I send C-/ (that is, control-slash) to the terminal?

I'm trying to run Emacs in a terminal. I've turned on the "use option as meta" in terminal preferences and so it's about 95% working right. The key sequence ctrl-/ (or in Emacs notation C-/) is "undo"...
11
votes
1answer
786 views

OS X terminal “open” command and keeping focus on the command line

I appreciate the "open" terminal command to launch OS X apps. When invoking the open command for any purpose, it is overwhelmingly likely that I will have at least one other command I would like to ...
11
votes
1answer
21k 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?
11
votes
2answers
5k views

Make ls command sort by file type (e.g. directories and file extension)

How do I make ls sort by file type (e.g. directories first and then by file extension)? The answers suggested in (Super User) Make ls sort by file type result in unknown option errors from ls.
11
votes
4answers
19k views

Run sudo From Non-Admin Account

Okay, so I'm gearing up to get a new machine so I'm looking at how I can organise things better. Now, currently I use an admin account as my main login account, but I know that that's probably not ...
11
votes
1answer
25k views

Mac OS X Mavericks - add to path

I'm trying to set up a phonegap project and while trying to add a platform it outputs the following error: Error: The command "android" failed. Make sure you have the latest Android SDK installed, ...
11
votes
5answers
13k views

Open an app in fullscreen via Terminal

I wonder if it's possible to open a program in Lion fullscreen mode via the Terminal. I want to write a short script which starts a bunch of programs in fullscreen mode, so that I only have to click ...
11
votes
1answer
8k views

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 size....
11
votes
2answers
26k views

SSH request timeout every time

I am trying to access a storage space we have at work via ssh but I get a timeout every single time (Mac OS 10.7.5 - Terminal). I checked firewalls, settings, even turned off Little Snitch, and port ...
11
votes
1answer
14k views

Bash or Zsh, what's the difference, why use one or the other?

So, the question pretty much says it all. I'm on Snow Leopard, and I do a lot of web development, particularly in Rails 3 which makes heavy use of the console. I've seen some notable bloggers etc. ...
11
votes
1answer
174 views

What does Terminal.app store in iCloud?

I just noticed this. What does Terminal.app store in iCloud?
10
votes
10answers
622 views

Can I shorten the typing needed to `cd` into some well know directories

I find myself opening a terminal and then CD'ing a lot into the same directory the path of which is very long. This means I am cd'ing a lot and using the tab to speed things up a lot. IT would be ...
10
votes
3answers
10k views

I installed Xcode but I still don't have gcc in my terminal

I just got a Mac and I'm a complete newbie, so this may be kind of a really easy question, but I wasn't able to solve it with Google or F1. I was trying to run a C program from the Terminal that ...
10
votes
2answers
12k views

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 ...
10
votes
4answers
46k views

Is there a Terminal-like app for iOS?

I am looking for an app that has some of the same functionality (ssh specifically) as the Terminal application on the desktop. What different apps exist for iOS that have this functionality?
10
votes
6answers
13k views

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 ...
10
votes
2answers
2k views

How to prevent 'sudo rm -rf /'

A few times I have accidentally executed the command sudo rm -rf /. Is there a way how to prevent me from running this command? For example can I somehow disable it using the sudoers file?
10
votes
1answer
2k views

how do I get Terminal's Search with Google to open in the default browser?

Scenario: working away in Terminal, get an error message. Want to google it so I select text and use right-click and "Search with Google". Opens Safari every time. Google Chrome is my default browser. ...
10
votes
1answer
5k views

Set default shell to MacPorts bash in Mac OS X 10.6.8?

As a follow up to my previous question, I reinstalled my MacPorts and want to try its newer version of bash again. I installed the newest bash via MacPorts on my Mac OS X 10.6.8 system, but when I ...
10
votes
3answers
15k views

Reset your PATH variable

I stuffed up (basically wiped) my PATH variable. Is there any way to reset it to the default? I look at How do I reset the $PATH variable on Mac OS X?, but I find it very confusing. As far as I ...
10
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 ...
10
votes
1answer
3k views

Change Network location from terminal

I have a two locations set up on my macBook. One for normal use and another for when I use a proxy, which I start from the command line. It would be very useful for me to be able to switch network ...
10
votes
2answers
8k views

open new tab in iTerm and execute command there

I have found way to open new tab in iTerm: newtabi() { osascript -e 'tell application "iTerm" to activate' -e 'tell application "System Events" to tell process "iTerm" to keystroke "t" using ...
10
votes
5answers
3k views

Option + click in iTerm

In Terminal, Option + click allows me to place my cursor at any point on the current line-- great for editing really long commands. How can I do this in iTerm2? Update: According to this page, the ...
10
votes
3answers
4k views

How to programatically add folder to Spotlight “do not index”?

Is there any way to programmatically add a folder to Spotlight's "Privacy" tab? Either through Terminal or Applescript? Often I want to click on an item in Spotlight results in Finder, and have that ...
10
votes
4answers
3k views

iTunes track notifications for Mountain Lion

In OS X Lion there was the preference (via a Terminal command) to enable iTunes track notifications that were displayed as a popup in the dock. So far it seems as though Mountain Lion does not allow ...
9
votes
5answers
767 views

Cannot open Terminal on mac (“Not allowed to use” error message)

I cannot open Terminal at all because of this error message. (Probably the rudest error message I have ever seen on a computer.) This mac was originally a school computer and the permission to use ...
9
votes
5answers
136k 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 ...
9
votes
6answers
19k views

How to rename multiple files at once?

I want to rename multiple files at once. For example: Picture1.jpg Picture2.jpg Picture3.jpg Picture4.jpg into Vacation-Picture1.jpg Vacation-Picture2.jpg Vacation-Picture3.jpg Vacation-Picture4....
9
votes
3answers
5k views

error: There was a problem with the editor 'vi' when using it with git

I have this strange problem with using vi as the editor for git commit -a. Normal flow is: I type git commit -a, vi appears, I enter my commit message, and then :wq to save & exit from vi. This ...
9
votes
1answer
14k 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 ...
9
votes
2answers
5k views

Transparent Background in Terminal?

On Ubuntu, I can change the terminal background to be semi-transparent. I've seen other people do this in OSX, but I don't see the setting anywhere. Is there some way to make this happen?
9
votes
1answer
6k 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 ...
9
votes
1answer
9k 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 ...
9
votes
3answers
4k views

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 ...
9
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 ...
9
votes
3answers
6k views

Why is OS X able to send out email without first configuring SMTP?

When I try the command in terminal, an email is sent. I have checked there is no local SMTP is running, so what is the mechanism used by Apple behind the scene? echo "Hello" | mail -s "Test" foo@bar....
9
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 ...
9
votes
2answers
3k 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 ...
9
votes
1answer
842 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 ...