Useful thinsg to put in your PowerShell `$PROFILE`

Microsoft.PowerShell_profile.ps1

# Copy last command to clipboard
function cl() {
    $last_command = (Get-History -Count 1).CommandLine
    Set-Clipboard -Value $last_command
}

# Copy absolute path of a file or folder to clipboard
function cap($path) {
    Set-Clipboard -Value (Resolve-Path $path)
}

# MacOS like `open` command
function open([string]$path = ".") {
    if(-Not(Test-Path $path)) {
        Write-Error "Path $path doesn't exist" -ErrorAction Stop
    }
    explorer.exe $path
}

# Git integration - https://github.com/dahlbyk/posh-git
# Adds tab completion and other nice things
Import-Module posh-git

# Improved auto-complete - https://github.com/PowerShell/PSReadLine
Set-PSReadlineKeyHandler -Key Tab -Function MenuComplete
# E.g. `ssh<upArrow>` only searches for previous commands starting with `ssh`.
Set-PSReadLineKeyHandler -Key UpArrow -Function HistorySearchBackward
Set-PSReadLineKeyHandler -Key DownArrow -Function HistorySearchForward