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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4
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2answers
1k views

How to dump the content of keychain from the shell?

I'm testing the following command-line in the Terminal: sudo security dump-keychain -d login.keychain which I'd like to use to save all my passwords into a file. However when I run it, it keep ...
4
votes
2answers
4k views

Starting airplay from command line, to send output of 'Say' Mac OS X command to airplay

Ok, Sunday question :) Trying to make a little joke... 1) if you open a terminal, and type "say -a ?", Mac OS X will give you the list of devices it can send spoken words to. On mine, it says: 39 ...
4
votes
3answers
20k views

Use curl to download images from website using wildcard?

Is there a way to use curl to download non-sequential images with a wildcard? I want to download all the panoramas I upload to my account at 360 Panorama to a local folder so I don't have to do this ...
3
votes
1answer
505 views

In Mountain Lion why do remote shells via ssh do NOT inherit the environment of the launchd parent process?

When logging in to my Mountain Lion Mac remotely via ssh I do not get the same PATH variable as when I open a shell locally: The local shell inherits its environment as expected from launchd and ...
6
votes
2answers
2k views

Change my shell to a different bash version at /usr/local/bin/bash?

How can I set my /usr/local/bin/bash (which is the 4.2 version that allows auto-completion of 'cd to directory with directory name') to be my default bash for a new window instead of my regular ...
4
votes
0answers
162 views

“Open with” in Finder.app gives duplicate entries [duplicate]

Possible Duplicate: How to omit apps from external drives in “Open With” menu? in finder's open with menu are a lot of dups. I am running latest OX X and patches. I googled and found ...
3
votes
3answers
39 views

Unexpected changes to command line

When I open up a command line on my Mac the welcome message is usually Last login date Johns-MacBook-Pro$ This now reads... Last login: Fri Dec 18 23:48:34 on ttys000 Johns-MBP-2:~ johnw$ What ...
3
votes
3answers
2k views

.tar files on OS X Lion

How am I supposed to deal with .tar files with OS X Lion? I'm trying to install Ruby Version Manager, but Lion is throwing a fit about not being able to expand the tar file. This isn't the first time ...
2
votes
2answers
656 views

place text over image without imagemagick

I have a png image file which I would like to overlay text onto, via the command line (for use in a Makefile). The text to be overlaid is dynamic, decided at the time the image is modified. I am ...
2
votes
3answers
2k views

How to determine the absolute path to a file in a shell script

I am writing a generic script that can get passed both absolute and relative (to the current working dir) paths to existing files. I need a fail-safe way to turn all those passed paths into absolute ...
2
votes
2answers
677 views

Terminal : needs full path to execute a command

Let's suppose i have an application in /Applications/MacPorts/KDE4/myapp.app/Contents/MacOS/myapp. When i use cd to reach the directory 'MacOS' and then issue the command myapp it says command not ...
2
votes
1answer
203 views

Porting Linux shell scripts

The command shell$ ls . -R works on Linux but not on OS X. This is because OS X command line options have to come before the arguments,and not just anywhere as in Linux. In particular, this ...
2
votes
1answer
218 views

How can I run a shell command at login time without showing a Dock entry? [duplicate]

Possible Duplicate: How to run something automatically when the system boots or a use logs on? I need to automatically run a command when I log in but I don't want to add an item to the ...
2
votes
2answers
4k views

Setting a custom log

I have to get all the chromium and firefox info logs out of /var/log/system.log and into a nice quiet /var/log/{chromium,firefox}.log. However I can neither recall or find how to set that in ...
1
vote
0answers
1k views

Command line tool installed, but gcc/g++ compiler not working

Heads up, I have a similar problem such as in this question, but it wasn't resolved: how to debug configure.sh errors when compiling rsync on Yosemite So basically I am looking to compile code via ...
96
votes
5answers
166k 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?
64
votes
11answers
27k 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 ...
79
votes
1answer
106k 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 ...
38
votes
5answers
108k 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 ...
17
votes
2answers
10k 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
2answers
18k 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 ...
40
votes
2answers
17k 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 ...
13
votes
6answers
16k 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.
13
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?
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 ...
8
votes
6answers
826 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 ...
2
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 ...
14
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 ...
5
votes
2answers
6k views

How can I temporarily suspend some users, hiding them from the login screen?

I have to manage a shared OSX workstation that is used by a rotating cast of characters throughout the year. The login screen quickly becomes cumbersome when users that aren't even around for a while ...
5
votes
1answer
19k views

How do I remove a user via single user mode in 10.7?

I occasionally will setup a user's machine that has been in for repair beyond the simple re-install of the OS. For example: install a new hd, install the OS, create a user, install updates and then ...
12
votes
2answers
18k views

How to control Bluetooth wireless radio from the command line?

This question is almost the same as my previous question, but with one major difference; I want to turn on/off Bluetooth from the command line (bash or similar), NOT from AppleScript - the answers for ...
9
votes
3answers
2k views

Copying files to the clipboard using applescript

Often I find myself at the command line wanting to copy files to the clipboard, so that I can paste them as attachments in Mail. If I have an image file, image1.png, I can accomplish this with ...
6
votes
1answer
5k views

How to control AirPort wireless radio from the command line?

I want to know how to control (specifically turn off) the networking (specifically AirPort - I want to turn off the radio) from the command line (specifically from bash in Terminal.app, being run by ...
5
votes
3answers
2k views

open new terminal tab in the same directory with the active tab

In GNOME Terminal of Ubuntu when you open a new tab the new shell will automatically start you in the current working directory of the active tab shell. E.g. if in the active tab shell I am on ...
1
vote
1answer
1k views

How to automate execution locate.updatedb by using a bash script

I am looking for a bash set of commands that will enable me to schedule the execution of /usr/libexec/locate.updatedb once every day. Please respond only with a set of command line commands, because ...
8
votes
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 ...
8
votes
3answers
5k views

How does Mountain Lion set the default text editor for the “open -t” terminal command?

OSX seem to offer open -t command line shortcut to open arbitrary files in the system default text editor. Where is this default text editor set? Can I change it from the command line (if possible) ...
7
votes
1answer
2k views

Why does it appear that I apparently “do not have access to Command Line Tools” in ML?

I just upgraded to Mountain Lion, and now gcc, make, g++, etc. are not found when trying to launch them in Terminal. So I went to Xcode Preferences, Downloads, and clicked "Install" next to Command ...
6
votes
3answers
11k views

How to start OS X applications from the command line with optional arguments?

I am looking for an easy way to start different GUI OS X applications from the command line and with different parameters. If possible I would like to add them to the system PATH in order to call ...
5
votes
2answers
4k views

How can I enable and/or disable OS X's power nap feature from within Terminal?

I can deal with it using some command-line commands such as defaults write … etc, but don’t know what the exact command and argument names to use?
4
votes
3answers
2k views

How do I delete a locked, invisible file in the Trash?

On an external disk (that contains a clone), the /.Trashes/501/Users/myusername/Desktop folder contains (within some subfolders) a locked invisible file that I cannot delete. The whole folder starting ...
3
votes
1answer
734 views

How to kill the popup in OS X when a disk can't be ejected

With ZFS-OSX, sometimes when I try to force eject my HDD and it's failing, the following popup appears on my screen – floating on the top with all the buttons grayed out – and no possibility to close ...
2
votes
0answers
41 views

How to customize drag-n-drop-to-Terminal path escaping results?

How can I change the way in which filenames are escaped (formatted) when dragged from applications and dropped into Terminal? For example, paths may be escaped with \, just spaces (), or other ...
8
votes
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?
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 ...
5
votes
3answers
8k views

Use MacVim as standard Terminal?

I used to love the terminal.app for many reasons. I especially liked the way I could navigate to a file and edit using vim it all in one app, without having to leave the keyboard. But, since the ...
4
votes
1answer
69 views

Automate Yosemite Upgrade

I want to be able to launch the Yosemite Installer app from the Applications folder and install the upgrade with commands. When I look inside the InstallESD.img there are many PKG files, I am unsure ...
4
votes
2answers
514 views

Mac OS X UNIX-oriented Tutorial

Is there any Mac OS X tutorial/book that covers the UNIX part of this operating system? Topics like: Managing daemons from the command-line Package management Install/Remove dmg's from the ...
4
votes
6answers
12k views

How can I write a script to open multiple terminal tabs and execute code in them?

I want to be able to open the terminal application and have it either automatically run a script that opens several tabs and run an arbitrary set of commands in each. For example I would like one tab ...
3
votes
3answers
223 views

Can Safari's download popover window be made wider?

How can the max. width (fixed width≈425) of Safari's download-popover-window be made wider? Is there a way to get at Safari's "download pop over window" in any way so its max-size is larger than 425 ...