Posts tagged “lisp”

Building a REPL OS in Common Lisp, Part 7: Unified Filesystem

Part 7 of a series where we build a custom operating system inside a Lisp REPL. We unify the virtual and mounted filesystems into a single coherent view.

Building a REPL OS in Common Lisp, Part 6: Mounts

Part 6 of a series where we build a custom operating system inside a Lisp REPL. We add mounts to bridge the virtual filesystem with real directories.

Building a REPL OS in Common Lisp, Part 5: Persistence

Part 5 of a series where we build a custom operating system inside a Lisp REPL. We add filesystem persistence using S-expressions and enable loading code from virtual files.

Building a REPL OS in Common Lisp, Part 4: The Virtual Filesystem

Part 4 of a series where we build a custom operating system inside a Lisp REPL. We create an in-memory virtual filesystem with directories, files, and standard commands.

Building a REPL OS in Common Lisp, Part 3: Threading

Part 3 of a series where we build a custom operating system inside a Lisp REPL. We add threading with Bordeaux Threads, command history, and scheduled execution.

Building a REPL OS in Common Lisp, Part 2: The Command System

Part 2 of a series where we build a custom operating system inside a Lisp REPL. We create a proper command system with a registry, dispatcher, and runtime extensibility.

Building a REPL OS in Common Lisp, Part 1: The Foundation

Part 1 of a series where we build a custom operating system that runs inside a Lisp REPL. Starting with the most fundamental piece: the REPL itself.

Building a REPL OS in Common Lisp, Part 0: Why?

Before we write any code, let's ask some questions. What is an operating system? What are its fundamental abstractions? And why build one in Lisp?

The Rise and Fall of Lisp Machines

Fewer than 7,000 Lisp machines were ever sold, but they commercially pioneered garbage collection, object-oriented programming, interactive development, and the free software movement. Here is what happened to them.