Relative Path Powershell Notes

rp-powershell.ps1

whoami
pwd
get-location
hostname

# Show all cmdlets

Get-Command

Get-Command ls
Get-Command cat
Get-Command nano

get-command | out-host -paging

# Manual page

Get-Help -Name Get-Help

Update-Help

# grep
cat .\foo.txt | Select-String oof -Quiet

# install chocolatey

Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iex ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1'))

# install nano

choco install -y nano

# refresh env

Import-Module "$env:ProgramData\chocolatey\helpers\chocolateyInstaller.psm1"; Update-SessionEnvironment
$env:Path = [System.Environment]::GetEnvironmentVariable("Path","Machine") + ";" + [System.Environment]::GetEnvironmentVariable("Path","User")

echo "foo" > file.txt
redirection
cat file.txt
cat PATHTOFILE

environment variables
dir env:
echo $Env:TMP

https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_environment_variables?view=powershell-7.3