notepad (Get-PSReadlineOption).HistorySavePath
np $PROFILE
$PSVersionTable
$Env:Path.Split(';')
(get-command ssh.exe).Path
$Env:UserName
Get-Item -Path Env:
Get-ChildItem Env: | Out-String -Stream | Select-String 'Home'
ls env: | out-string -stream | sls 'home'
Get-Alias
Get-Alias | Out-String -Stream | Select-String "ls"
$Home
Set-PSReadlineOption -EditMode Emacs
Set-PSReadLineKeyHandler -Key 'Ctrl+d' -Function DeleteCharOrExit
Set-PSReadlineKeyHandler -Key 'ctrl+l' -Function ClearScreen
docker pull nginx:latest
notepad.exe $Home\AppData\Roaming\alacritty\alacritty.toml
# https://users.aalto.fi/~ltuuri/apu/bin/xx/_alacritty.toml
wsl ~  
wsl -l -v
wsl -t Ubuntu
np
np $PROFILE
v