---
tags:
  - macOS
  - Tahoe
  - open
  - terminal
  - productivity
  - workflow
title: Launching Apps and Files with Open on macOS Tahoe
---

# Launching Apps and Files with Open on macOS Tahoe

The `open` command is one of the most useful tools in the macOS terminal. It bridges the gap between the command line and the graphical user interface (GUI), effectively simulating a double-click on a file, folder, or application.

## Basic Usage

To open a file using its default application (just like double-clicking it in Finder):

```zsh
open filename.txt
```

To open the current directory in a Finder window:

```zsh
open .
```

## Opening Applications

You can launch any installed application by name using the `-a` flag.

```zsh
open -a "Google Chrome"
```

You can also use this to open a specific file with a specific application, overriding the default.

```zsh
open -a "Visual Studio Code" index.html
```

## Opening URLs

If you pass a URL to the `open` command, it will launch in your default web browser.

```zsh
open https://www.apple.com
```

## Revealing Files in Finder

Sometimes you don't want to open a file, but just want to see where it is located. The `-R` flag reveals the file in a Finder window.

```zsh
open -R /Library/Preferences/com.apple.dock.plist
```

## Piping Output to a Text Editor

The `-f` flag reads input from standard input and opens it in the default text editor. This is great for viewing the output of long commands.

```zsh
ls -la | open -f
```

For more on general terminal usage, refer to Getting Started with macOS Tahoe.