Environment variables are system-wide variables which share the same value. These variables are often parsed by the shell when executing commands, and are expanded into their appropriate variable. For example, this allows users to move file locations without needing to update hard-coded paths in ...

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Effect of Windows environment variables (especially OMP_NUM_THREADS)

Does setting OMP_NUM_THREADS=1 in the global environment variables (via Control Panel -> Sytem -> Environment variables) affect only programs run from the command prompt or all programs?
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Store command output in variable

If I do z='ls' and then echo $z it will print the directory I listed, but without newlines or formatting. I assume lack of colored formatting is impossible to get around, but would it be possible to ...
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Dynamic variable substitution in PATH

I want to run different versions of Java on the same machine (Linux Mint 17) with default to Java 7. So I put this into /etc/environment: JAVA_HOME="/tools/java/java7" JAVA7_HOME="/tools/java/java7" ...
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21 views

Alternative ways of passing PS1 env variable into Ubuntu for SSH session

I know that there are twenty thousand answers, none of them worked as expected, I'm more surprised than you are, so please consider reading the story first. I'm trying to achieve what appears to be a ...
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19 views

max length for PATH environment variable

Using Windows 7 x64 I've noticed that if you add too much stuff to your PATH environment variable it stops working. There appears to be a max length for the PATH environment variable and I'm curious ...
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VIDLE does not work path

I have Python 2.76 on Windows 7. Canopy, pyserial and now VIDLE I have 64 bit processor so I checked that I chose 32 bit for all the software as the Arduino tutorial I want to do suggested. VIDLE ...
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13 views

Difference between su and su -c (environment variables?) when running db2?

When I type this: su <user> -c "/home/<user>/sqllib/bin/db2 catalog tcpip node <dbName> remote <ip> server <port>" I get this error message: SQL10007N Message "-1390" ...
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59 views

How to set environment variables for a terminal application on OS X Yosemite?

I am trying to make ABD tool to work in my terminal and I found that the likely reason why I get the command not found warning is that I need to set the environment variable's path. I found that I ...
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How do I set the PATH variable for a service that's running as a non-login user?

I'm running a GitLab server on a Linux machine using Nginx as a Webserver. Several processes (started either manually as root with /etc/init.d/foo start or automatically as sub-processes) run as ...
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27 views

How to shrink the prompt of a long path using environment variables in OS X (extend '~')

I've seen this working with the gemset environment, I would like to reproduce it now that I need to work on a very indented directory path. Basically I had a $GEM_HOME environment variable pointing ...
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41 views

How to include environment variable in bash line CURL?

Trying to get Transmission to notify when download complete. This works: curl -u <my-api-token>: \ -X POST https://api.pushbullet.com/v2/pushes \ --header 'Content-Type: application/json' ...
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28 views

Windows path and semicolon

In Windows 8.1 I have an environment variable LATEX equal to C:\Program Files\MiKTeX 2.9\miktex\bin\x64 and the path variable set to %JAVA_HOME%\bin;%ANT_HOME%\bin;%LATEX% The problem is ...
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26 views

msys2 shell uses different PATH depending on launch

When I start the msys shell via the created shortcut, it executes cmd.exe /A /Q /K C:\msys64\msys2_shell.bat and it uses the current PATH environment variable. But when I start ...
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22 views

Why does system PATH seem to be cleared?

I have this strange situation at work where me and some other guys regularly have problems with our system PATH environment variable. Whenever that happens, we have problems like shortcuts that stop ...
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26 views

Where do the variables of a new BASH shell come from?

I am puzzled as about how environment variables work. From what I am aware, for a new process to have some environment variables, its parent must have issued export. But what about all the variables ...
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1answer
21 views

Unset bash variables referring to non-existent directories

I have a file which is sourced by an application, adding relevant directories to $PATH and $LD_LIBRARY_PATH. This is fine, but it results in somewhat excessive pollution of the $PATH and ...
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26 views

When running a program as a Windows 7 service, where does the HOMEPATH variable map to?

I have a program that's being run as a Windows 7 service. In the program, the HOMEPATH environment variable is being used to set the location of a file. Normally, when the program is simply ran at a ...
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42 views

I changed my system path in system variables, how can I bring it back to what it was?

I've been trying to unlock my htc device's bootloader and I couldn't get a fastboot command from the cmd to work. I had tried everything and eventually I found this site which said that I just have to ...
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1answer
16 views

In bash, declare an alias that depends on current variable content

I would like to declare an alias in my .bash_profile that will use the content of a variable when the alias is used and not when it is declared. Ex: alias goSomeWhere="cd $BASE/somewhere" When ...
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19 views

Java Path Set Issue

I am using win server 2008, Trying to set java path. I set it in both user variables and system variables. yet, I couldn't access java. But when I check in java installed path It is working fine ...
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2 java versions and unable to change environment variable

I am working on Mac OS 10.9 I did not know that macs come with java by default. So I installed my own java(version- 1.8.0_20) Now here is the confusion - I have a java in the following locations - ...
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27 views

Git is in the PATH, but is not being recognized as a command

I've recently reinstalled Git, and I just can't get it to run off the native Windows command prompt anymore. I'm sure it is in Path environment variable, as you can see: C:\Users\Ult>where git ...
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Call “Environment variables” dialog from Win-r

In Windows, if one presses Win-r, and types there, e.g. control the control panel opens. Is there a Win-r shortcut for environment variables dialog?
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28 views

set environment variable from batch

When I set a environment variable envir using setx command, It seems to not actually 'set' in environment. setx envir "windows" if 1==1 ( setx envir "unix" ) echo %envir% set The set command ...
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43 views

Is there a way to “source” a sh script from the fish shell?

I like to put many of my environment variable definitions in the .profile script. If I am using a POSIX-compatible interactive shell like bash, I can use the source command to re-export the ...
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40 views

Windows Environment Variables

I am very confused on what is incorrect with my Windows Path variable. In my System Settings I have the System Variable Path set to: ...
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user path not merged with system path

On my Windows 7 machine, for some reason the user path is not merged with the system path variable when I start a new command prompt. I have seen other related questions answered by a reference to a ...
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86 views

ERROR: Invalid syntax. Default option is not allowed more than '2' time(s). Type “SETX /?” for usage

I am trying to set my environment variable for my system using setx PATH="%PATH%;c:\PROGRA~2\Vim\vim74;" command in cmd. I get ERROR: Invalid syntax. Default option is not allowed more than '2' ...
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44 views

Are there rules to Windows 7 Environment variable names?

On my Windows 7 computer, I created some custom user environment variables (right-click computer > properties > "Advanced system settings" > "Environment Variables..." > "New..." for "User variables ...
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39 views

Installing Cygwin with MinGW in windows

I wanted to install Cygwin in the C:\Cygwin (which is shown by default during installation). I have the C:\MinGW installed in that directory too(I mean C:\) Will this cause any problem when I install ...
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48 views

.tmux.conf: How can I conditionally set a color variable?

Sometimes I use a light-colored terminal, sometimes a dark one. I export a THEME environment variable to conditionally set colors in my .bash_profile and .vimrc. I'm trying to do the same in my ...
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58 views

How to configure AUCTeX in Windows 7?

Help me, please! This is my 3rd attempt at a clean install of EMACS/AUCTeX in Windows 7. I'm following Joachim Schlosser's installation guide to AUCTeX but I'm getting confused at least on 2 points. ...
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20 views

How to tell whether machine is on AD Domain when running as SYSTEM

I have a batch script run as the SYSTEM user, and I need to find out whether the machine is on an AD Domain or not. I don't know, or need to know, the AD Domain name, just whether it's on any AD ...
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26 views

Is there a way to reverse lookup which executable is being called?

I have multiple JDK's installed on my machine and I'm running on a system that has a pretty long path environment variable. Is there a way to see what my call to java resolves to? I'm looking for ...
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34 views

Add the path of a program to environment variables and have it as Command Line commands

I use gpj tool to communicate with my smart card reader. It works fine. For example when I want to list the applets that reside on my card I use parameter -list and I have the below out put : E:\RCII ...
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is it possible to allow only root user to create Environment variable?

We know , Linux world right now watching on Bash bug with environment variables. So , I just want to know If we can make something like only root user can create environment variables and all other ...
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Unable to find source of environment variable

So I did the mistake of removing an earlier version of Vim manually on Windows without going through the "Uninstall Program" dialog. The result left me with the enviroment variables of "vim" and ...
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Windows open command window here doesn't load env. variables

In windows if I right click and select "Open command window here" in a particular folder it works exactly the same way as "Open terminal here" works in Linux. It was working find until I installed a ...
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35 views

Different Execution the TEMP Variable and TMP in run window

Why does the environment variable "TEMP" work without a percent Sign in Run window, but "TMP" variable doesn't work? I know the "TMP" Variable works with "%TMP%" in Run window. This is my Environment ...
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28 views

Clean Mavericks Install: Bash and Environment Defaults?

Broadly: what are the default files in play on a clean OS X install when using environment variables and bash? What derives from root, and what from the local user? I always get turned around on ...
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Why am I getting conflicting results when checking Maven version in Windows PowerShell and cmd64 (Environment variables issue)

I'm looking at Maven for the first time, trying to get everything up and running. I've been going through the tutorials here and up until now everything has been going smoothly. I've added all the ...
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1answer
59 views

Windows - How to use user defined environment variables in system path

As the question states, I have some variables defined in my user environment in windows 8.1. Now I want to have something like this as a path: C:\Program Files (x86)\Intel\iCLS ...
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96 views

How to recover from PATH being truncated to 1028 characters by SETX

I received an error on Windows 8 after trying to use SETX to add JAVA.exe to the Windows PATH variable: WARNING: The data being saved is truncated to 1024 characters. After a reboot, I notice that ...
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72 views

What file does OSX Mavericks look at to setup environmental variables for terminal

I changed something on my Mac and when I start terminal by simply clicking on the icon, none of the PATH variables are loaded to tell terminal where basic (or any commands) are. I have edited the ...
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2answers
92 views

cannot set JAVA_HOME

I'm running Linux Mint Quiana. I want to run Android Studio and this requires me Java. Since i needed NetBeans i decided to install NetBeans with Java 8 bundle from oracle's website. I tried for days ...
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116 views

CentOS. Set environment variable permanently

I used a following commmand in SSH terminal on my server: export LD_LIBRARY_PATH=/lib:/usr/lib:/usr/local/lib and it works fine: my program finds all libraries at this point (if I launch it from my ...
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50 views

Dynamically find Chrome on end-user's Windows machine

So, I have searched everywhere I can think of for this, and can't figure it out. I'm hoping the answer is very simple. Here is the situation: I am creating a shortcut link for an end-user. We will ...
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Unix environment variables for Unix-derived apps in Windows

My problem is that cross-platform apps initially written for Unix/GNU+Linux trash my Windows filesystem by placing files wherever they can. In most cases this can be solved by setting environment ...
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php is not recognized as an internal or external command although it is available in commandline

this is somewhat of a tricky question when it comes to "where should I place it?", but I assume a general problem behind it, which is why I am putting it on superUser. I have a Doctrine script which ...
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34 views

Assigning a Windows environment variable to a batch variable?

I can't seem to assign an environment variable to another one inside a batch script. For example, this will work: set varA=C:\this\is\a\directory and I can happily use find /I "MyString" %varA% ...