Powershell Start-Process Command Tutorial with Examples – POFTUT

Powershell Start-Process Command Tutorial with Examples

Start-Process is a powershell commandlet used create new process. As powershell is mainly developed .Net and provides .Net feature Start-Process is equivalent of System.Diagnostics.Process method.

Start A Process

The most basic usage of the Start-Process is start a process by giving its name. Start-Process inherits current working environment variables and can find given executable if its in Path environment. In this example we will start notepad.exe by specifying a filename names.txt

Run Batch File

We can specify a script file or batch file to run in Powershell. We will use -filepath option with the full path and name of batch file. In this example we run batch file backup.cmd .

Run With Elevated Admin Privileges

While running and creating new processes with Start-Process the current user privilege will be get. This may not work some situations. We can elevate privileges to the Administrator with -verb runas . In this example we will run cmd.exe with Administrator privileges.

Set Working Directory

While working with Start-Process by default current working directory will be current working directory. Setting working directory of given process can be changed with -workingdirectory option. This is useful if we need to change executable file path. In this example we will change to the C:\Windows to the working directory. Providing directories in double quotes will make this less error prone.

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Use Print Verb

We can also use Start-Process without providing any executable file. We can use print verb to print text files. We will use -verb Print for this. In this example we will print the file named names.txt

Set WindowStyle

While starting the new process it will open new windows in default size. We can change this window size on startup. We can use -windowstyle option. This option can get following values

echo '
  • Maximized
  • Minimized

In this example we will open notepad.exe in maximized window.

Redirect Standard Input

Commands and executables running in a shell will have some standard input. Standard input provided data will be fed into command or executable. We can use -RedirectStandardInput option with the file which contains data to be fed into executable. In this example we will put data in mydata.txt into notepad.exe .

Redirect Standard Input

As done in previous example we can redirect standard output into given file. We will use -RedirectStandardOuput with a file name. In this example we will redirect into file named notepad.log .

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