Asked by: Elaine Dzhahaya
technology and computing databases

What does environment variable mean?

Last Updated: 26th May, 2020

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An environment variable is a dynamic "object" onacomputer, containing an editable value, which may be used by oneormore software programs in Windows. Environment variableshelpprograms know what directory to install files in, where tostoretemporary files, and where to find userprofilesettings.

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Moreover, what are user environment variables?

An environment variable is a dynamic valuethatthe operating system and other software can use todetermineinformation specific to your computer. In other words,anenvironment variable is something that representssomethingelse, like a location on your computer, a version number,a list ofobjects, etc.

One may also ask, what do u mean by variable? In programming, a variable is a valuethatcan change, depending on conditions or on informationpassedto the program. Usually, both constants and variablesaredefined as certain data type s.

Simply so, what is the use of PATH environment variable?

PATH is an environment variableonUnix-like operating systems, DOS, OS/2, and MicrosoftWindows,specifying a set of directories where executable programsarelocated. In general, each executing process or user session hasitsown PATH setting.

What is the PATH environment variable used for?

More specifally, it is an environmentvariablethat is used across both Windows and Unixoperating systems.Wikipedia has a halfway decent definition:PATH is anenvironment variable on Unix-like operatingsystems, DOS,OS/2, and Microsoft Windows, specifying a set ofdirectories whereexecutable programs are located.

Related Question Answers

Badar Brouwer

Professional

How do Environment variables work?

An environment variable is a dynamic "object" onacomputer, containing an editable value, which may be used by oneormore software programs in Windows. Environment variableshelpprograms know what directory to install files in, where tostoretemporary files, and where to find userprofilesettings.

Tona Bescos

Professional

How do I change environment variables?

How to change environment variables on Windows 10
  1. Open the Start Search, type in “env”, andchoose“Edit the system environment variables”:
  2. Click the “EnvironmentVariables…”button.
  3. Set the environment variables as needed. The New button addsanadditional variable.
  4. Dismiss all of the dialogs by choosing “OK”.Yourchanges are saved!

Eryk Gonzalez Carrato

Explainer

What is difference between user variable and system variable?

The system variables aresystem-wideaccepted and do not vary from user touser. Whereas,User Environments are configureddifferently fromuser to user. So if there are someuservariables with the same name as system variablesthenuser variables will be considered. Path variableisgenerated in a different way.

Sonnia Chaveli

Explainer

What is the purpose of user variable?

Variables are used to store information tobereferenced and manipulated in a computer program. It is helpfultothink of variables as containers that holdinformation.Their sole purpose is to label and store datainmemory.

Sviatlana Ciurariu

Explainer

How do you create a system variable?

To create or modify environment variablesonWindows:
  1. Right-click the Computer icon and choose Properties, orinWindows Control Panel, choose System.
  2. Choose Advanced system settings.
  3. On the Advanced tab, click Environment Variables.
  4. Click New to create a new environment variable.

Jiaqian Kuznetsova

Pundit

Where are user environment variables stored in the registry?

The location of the user variables intheregistry is: HKEY_CURRENT_USEREnvironment .Thelocation of the system variables in the registryis:HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSessionManagerEnvironment. When setting environmentvariables through theregistry, they will not recognizedimmediately.

Siamak Missner

Pundit

Does system variable override user variable?

User variables override thesystemVariables even if the variables are namedthesame.

Fahim Gramacki

Pundit

What is the system path?

A. The system path is a list of folders,separatedby a semicolon, that identifies the folders that thesystemshould search when looking for files that are calledfrom the Rundialog box, command line, or other processes. Normalprograminstallation changes this path to include theprogram'sinstallation path.

Yahaira Naiman

Pundit

What does PATH stand for?

Port Authority Trans-Hudson

Clariza Friedlich

Pundit

How do I find the PATH environment variable in Windows?

Adding folder paths to the Windows path variable
  1. On the Windows desktop, right-click My Computer.
  2. In the pop-up menu, click Properties.
  3. In the System Properties window, click the Advanced tab,andthen click Environment Variables.
  4. In the System Variables window, highlight Path, andclickEdit.

Joseba Gurgo

Teacher

How do I set the PATH variable in Windows?

Finding the Windows Path Variable
  1. Open the Start Menu.
  2. Right-click on Computer and click Properties.
  3. Click Advanced system settings.
  4. Make sure you're on the Advanced tab.
  5. Click Environment Variables.
  6. Under System variables, scroll to find the Path Variable.
  7. Click on Path and then click Edit.

Abderrazzak Jojo

Teacher

What is a path in a graph?

In the mathematical field of graph theory,apath graph or linear graph is a graphwhosevertices can be listed in the order v1,v2,…, vn such that the edges are{vi,vi+1} where i = 1,2, …, n− 1. Paths are fundamental concepts ofgraphtheory, described in the introductory sections of mostgraphtheory texts.

Caihua Nepi

Teacher

What is meant by environmental variables?

An environment variable defines some aspect ofauser's or a program's environment that can vary. TheUNIXshell uses environment variables to send informationaboutthe user's environment (such as the currentworkingdirectory or the terminal type, for example) to the programsbeingrun.

Marlon Malzarbeitia

Teacher

How do I find my Java path?

To make sure that Windows can find the Java compilerandinterpreter:
  1. Select Start -> Computer -> System Properties->Advanced system settings -> Environment Variables ->Systemvariables -> PATH.
  2. Prepend C:Program FilesJavajdk1.6.0_27in; to the beginningofthe PATH variable.
  3. Click OK three times.

Vitalina Boerger

Reviewer

What is PATH variable in UNIX?

The PATH environment variable is acolon-delimitedlist of directories that your shell searchesthrough when you entera command. Program files (executables) arekept in many differentplaces on the Unix system. Yourpath tells theUnix shell where to look on the systemwhen you request aparticular program.

Fama Cunen

Reviewer

What is environment variable in UNIX?

Simply put, environment variablesarevariables that are set up in your shell when you login.They are called “environment variables”becausemost of them affect the way your Unix shell works foryou.One points to your home directory and another to yourhistoryfile.

Midori Gigirey

Reviewer

How can I see environment variables?

The most simple way to view the current user variables istouse the System Properties.
  1. Open the Control Panel.
  2. Navigate to the following applet: Control PanelSystemandSecuritySystem.
  3. Click the "Advanced System Settings" link on the left.
  4. The Environment Variables window will appear on thescreen.

Liliya Kampeter

Reviewer

What is environment variable SSIS?

The Environment Variable configuration meansthatyou want to configure your variable(s) in theSSISPackage to take the value from an EnvironmentVariable.Environment Variables are set at the Computer /Server /System level.

Yarixa Rozenblum

Supporter

How do I open an environment variable in run?

To open environment variables settings directly, itispossible to use a special RUNDLL32 command, asdescribedbelow.
  1. Press Win + R shortcut keys together on your keyboard. Thiswillopen the Run dialog.
  2. Type the following command in the Run box:rundll32.exesysdm.cpl,EditEnvironmentVariables.