The default Unix shell used by Terminal in Mac OS X

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351
votes
7answers
262k views

How do I recompile Bash to avoid Shellshock (the remote exploit CVE-2014-6271 and CVE-2014-7169)?

Given that Bash 3.2 (the version shipped by OS X) is vulnerable to the remote execution exploit known as "Shell Shock" (CVE-2014-6271 and CVE-2014-7169) how do I rebuild Bash and secure my system ...
7
votes
5answers
20k views

How to reset $PATH?

I was trying to add something to $PATH and it went totally wrong. I now can't run any commands such as ls. I've looked at this answer and used the following lines: PATH=/usr/bin:/bin:/usr/sbin:/...
47
votes
2answers
77k 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 ...
8
votes
4answers
5k views

My Automator Workflow fails because it fails to find the git command within the 'Run Shell Script' command? Need help

I have an Automator workflow and one of the actions is to clone a repository. Here's the code for the 'Run Shell Script' action. The command is run within the Bash shell /bin/bash if that matters: ...
102
votes
9answers
180k 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 Terminal>Preferences>"...
53
votes
5answers
28k views

Are Macs vulnerable to the Bash shellshock bug?

Red Hat recently announced a major security-related bug in the Bash shell. Some are calling it the "shellshock" bug. Since OS X is built off of Unix, is it vulnerable to attacks that exploit this bug? ...
24
votes
5answers
43k views

How to set system-wide environment variables on OS X Mavericks

We used to use /etc/environment to set system-wide environment variables on Mountain Lion. However, it seems this file is no longer read. Ideally the solution should apply to all users, and we need ...
5
votes
1answer
5k views

Why is a command line change to ~/Library/Preferences/com.apple.LaunchServices.plist not effective immediately?

When the Info window of Finder is used to associate files of a particular type with an application: the preference is effective immediately. When Terminal is used to make a comparable addition ...
65
votes
4answers
19k views

Is it safe to upgrade Bash via Homebrew?

I'm new to OS X. I'm running OS X Lion on a MacBook Pro. Is it safe to upgrade the bash shell using Homebrew: $ brew install bash If safe, how do I make it the default instance of the shell I run ...
31
votes
2answers
30k 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} ...
13
votes
7answers
3k views

Is there a bash command to check to see if Time Machine has finished backing up?

I'm writing a script that will rsycnc my Time Machine directory to a remote server using ssh. I've switched from a shell script to an AppleScript and then back to an Apple script and I don't really ...
7
votes
2answers
1k views

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 single-...
147
votes
6answers
71k 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 ...
34
votes
4answers
89k views

Getting files, all at once, from a web page using curl

I would like to download the files, all at once, from the following page using curl: http://www.ime.usp.br/~coelho/mac0122-2013/ep2/esqueleto/ I tried curl http://www.ime.usp.br/~coelho/mac0122-2013/...
10
votes
3answers
63k views

How to create ~/.bash_profile and ~/.profile

So, I don't have .bash_profile neither .profile in my home folder. How do I create them? After that, what should I do so every time I open the terminal these files get read?
13
votes
4answers
3k views

Updating modifier key mappings through defaults command tool

I am trying to automate the inital setup of my macbook, that includes installing software and changing OS X configuration to my needs. I have tried to update the modifier keys with defaults, the ...
14
votes
2answers
3k views

cd to a directory by typing its name?

For example if a directory 'blob' exists and I just type 'blob[return]' then the system cds into the blob directory for me. In Linux (Ubuntu) I can add shopt -s autocd to my .bashrc file, but on OS X ...
7
votes
1answer
7k views

Using bash/terminal to get number of battery recharge cycles

I would like to get the number of recharge cycles using bash (terminal commands). I understand the following command will display all of the battery data, but I want the cycle count on its own ioreg -...
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
1k views

“Airplane Mode” in OS X. Alternative command for `rfkill`?

This question is an exact duplicate of this post from superuser.exchange.com. I believe this is a valid question for both of sites and hope I am not (if any) violating stackexchange policies. ...
6
votes
5answers
20k views

How to add MySQL to $PATH variable to resolve “mysql: command not found”?

I installed MySQL on my Mac, and now I would like to add it to my $PATH variable. I want to be able to type mysql anywhere. I tried adding the following to my .profile file: export PATH=${PATH}/usr/...
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 ...
5
votes
1answer
5k views

How can I reset my bash configuration?

When I open Terminal it shows this: Last login: Fri Apr 1 17:04:59 on ttys000 -bash: export: /opt/local/bin': not a valid identifier -bash: export::/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/opt/...
8
votes
3answers
854 views

Moving .bash_profile to Dropbox

I'd like to move my .bash_profile to Dropbox to have my custom Terminal functions available on all my Macs. Is this possible and are there possible implications? For example I have a command for ...
2
votes
4answers
3k views

List the extensions installed in Safari for Mac OS X, and state whether each one is enabled

I'd like a list, from which text can be copied. (Not a screenshot of preferences.) This information does not appear in any of the following: Safari System Profiler in Snow Leopard System ...
9
votes
5answers
996 views

How to share .bashrc files between two mac user accounts

I have set up two user logins on my computer, one for home and one for work. I would like to be able to share any of my bash and vim settings between the two users. Is there anyway to do this? Thus ...
6
votes
2answers
3k views

What does update_terminal_cwd do in the terminal of OS X

I am puzzled by it for quite some while now. In $PROMPT_COMMAND of the bash in OS X, there is a command called update_terminal_cwd. I am sure it's not a bash built in, and most likely only exists in ...
3
votes
2answers
3k views

How do I make invisible files (like bash profile) visible in the finder?

question is in the title. There's some files that most Apple users don't need access to, but if you program you do need access to. in particular the bash profile. anyone know how to make these visible ...
3
votes
2answers
263 views

I deleted .bash_history, now history isn't saved anymore (although I re-created it)

I have freshly installed a new copy of El Capitan. I accidently deleted .bash_history, so I just did a touch .bash_history again, hoping this would solve the problem of my bash history not being ...
2
votes
2answers
679 views

Why is there a left bracket before my bash prompt?

I've notice that after I execute commands, a left bracket character will appear before the previous line. It seems to be partially dependent on what's in $PS1. I've tried unsetting $PROMPT_COMMAND and ...
1
vote
1answer
920 views

Alt-. and vertical bar (pipe) on terminal

On linux consoles I always use Alt + . to get the last argument of the previous command in history. for example if I had ls /tmp/test as last command, and if I type rm Alt - this will result ...
6
votes
2answers
5k views

Update bash to version 4.0 on OSX

Is it possible to actually update bash to version 4.0 in OSX Yosemite? echo $BASH_VERSION 3.2.57(1)-release This article and this thread refer to the same question, but they install a new shell ...
3
votes
2answers
5k views

iTerm2 terminals close immediately with “argpath=login error=No such file or directory”

Whenever I try to open a new terminal window in iTerm, it closes right away after displaying this: ## exec failed ## argpath=login error=No such file or directory Does anyone know what is causing ...
2
votes
2answers
694 views

How do I get Automator to process images using ImageMagick in a command script?

I'm making an Automator workflow that uses the shell script action to process a selection of images with the imagemagick composite command. Only I'm having issues getting it going. According to the ...
2
votes
2answers
765 views

How do I change $PATH and set it to the default directory?

For some reason when I run echo $PATHI get the following directory: /Users/<home>/Library/Applications/. How do I set it back to its default location so that I don't have to run this command, ...
1
vote
3answers
3k views

Change owner for all files owned by x

I copyied files from my MacBook, mainly files from /usr. The one and only user on my computer is called 'Julian' (like on my MacBook). A lot of the copied files are now owned by '501' (id of "Julian" ...
28
votes
6answers
167k views

How do I set environment variables on OS X?

I have always difficulties setting the Environment variables in OS X like JAVA_HOME, M2_HOME or PATH. How to set these on OS X Mavericks? I did some research but the answers I've found didn't really ...
50
votes
3answers
29k views

Is bash in OSX case-insensitive?

Are bash commands on OSX case insensitive? I type "which TR" and it shows /usr/bin/TR, though there is no such binary there. Same thing for other binaries, when capitalized. Or is Terminal.app maybe ...
21
votes
2answers
12k 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 ...
34
votes
2answers
45k views

List all defined aliases in Terminal

A friend who owned my current Mac before me created a lot of alias commands. Is there a way to list all defined aliases and the command that is associated with them? And if so, am I able to edit ...
19
votes
2answers
10k views

What is the difference between .bash_profile and .bashrc?

To make an alias for the Terminal in OS X, you can either put the aliases in .bash_profile or .bashrc. What is the difference between the two and why would I choose to put aliases in one and not the ...
3
votes
1answer
2k views

Locating an app by its bundle identifier from the command line

I am looking for a way to find an app's location on the system from the command line using its bundle identifier. I can open it like this: open -b 'com.zerotier.ZeroTierOne' ... where com.zerotier....
9
votes
2answers
33k views

Why must I source .bashrc every time I open terminal for aliases to work? [duplicate]

I added this line into my ~/.bashrc file. alias myserver='ssh davidfaux@davidfaux.com' However, when I open terminal and run myserver, terminal complains that -bash: myserver: command not found ...
8
votes
2answers
11k 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?
6
votes
1answer
236 views

Change output color of terminal (in Mac) to be different from typed text color

I know how to change the color of ls output, but I would like to change the color of all terminal output. To make clear what I mean, below is a picture of my terminal. My text color is orange. However,...
5
votes
2answers
8k views

Bash commands that work on an iphone

I've jailbroken my phone, and I'd like to execute some commands on it from my phone, namely, the Say command. That, unfortunately, does not work. What commands COULD I execute on the iphone, other ...
8
votes
2answers
3k 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 ...
6
votes
5answers
9k views

How to make bash (Terminal.app) remember history of previous sessions?

In my computer at work, my bash shell remembers history from previous sessions, even if I just opened a new terminal. In my computer at home, this doesn't happen. I have the same OS 10.6.8 in both ...
4
votes
2answers
3k views

Changing terminal color

I would like to know how to change the terminal color, so whenever I run ls it will return the name of: Directories in red Files in blue Executable files (those you do ./file) in light green How ...
3
votes
2answers
1k views

Allow the Terminal.app to pass command key based keystrokes to terminal programs

I want to allow programs running in the terminal the ability to interpret the keyboard short cut Cmd + S I have already Remapped the Terminals' default binding of Cmd + S to Ctrl + S via the ...