I've installed powershell from a powershell_6.0.0-alpha.9-1ubuntu1.16.04.1_amd64.deb package I've downloaded form GitHub and typed following commands:

sudo apt-get install libunwind8 libicu55
sudo dpkg -i powershell_6.0.0-beta.9-1.ubuntu.16.04_amd64.deb

But when I run powershell on terminal it says dependencies aren't installed. So I removed powershell with

sudo apt autoremove

(to clean unmet dependencies) and

sudo apt purge powershell

Then I started installation again with following commands

curl https://packages.microsoft.com/keys/microsoft.asc | sudo apt-key add -

curl https://packages.microsoft.com/config/ubuntu/16.04/prod.list | sudo tee /etc/apt/sources.list.d/microsoft.list
sudo apt-get update
sudo apt-get install -y powershell

But after the installation is finished and I wanted to run the powershell by typing it on terminal but it says command not found

enter image description here

How can I fix this problem?

  • run sudo dpkg-query -l powershell and lets see the output! – George Udosen Nov 4 '17 at 12:37
  • Unrelated to the main issue (for which you have answers already): FYI, "autoremove" does NOT clean unmet dependencies. It cleans no longer needed, orphaned, packages. Those packages are only wasting space and typically so little that can be ignored, they don't in any way interact or prevent installing and using other software. – user692175 Nov 4 '17 at 22:04

The right command for starting powershell is pwsh not powershell

For complete installation please refer Powershell GIT HUB repo


Ok I see from here use the command:


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