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Python View all 60 →

Python Installation — Quick-Pick

Python Installation — Windows

Python Installation — WSL Ubuntu

Python Installation — macOS

Python Installation — Linux

Virtual Environments — venv

pyproject.toml — Modern Python Project Config

pip — Python Package Installer

Essential Python Packages

requests — HTTP for Humans

httpx — Modern HTTP Client

numpy — Numerical Arrays

pandas — DataFrames

matplotlib — Plotting

scipy — Scientific Computing

Pillow — Image Processing

scikit-learn — Classical Machine Learning

click — CLI Builder

pydantic — Data Validation

sqlalchemy — SQL Toolkit & ORM

JavaScript View all 35 →

Node.js Installation

Node.js Runtime

npm Package Manager

npx — Execute npm Packages

node:fs — File System

node:stream — Streams

Fastify — Node Web Framework

pnpm Package Manager

Yarn Package Manager

package.json Reference

JavaScript Modules

Regular Expressions

Bun — All-in-One JavaScript Runtime & Toolkit

diff2html-cli — Beautiful HTML Diffs from the Terminal

wrangler — Cloudflare Workers CLI

TypeScript View all 27 →

TypeScript Installation & Running

tsconfig.json Reference

Types vs Interfaces

typeof & keyof — Type-level operators

satisfies Operator — Type-check without widening

Mapped & Conditional Types

Discriminated Unions — Tagged Variants & Exhaustiveness

infer Keyword — Extracting types from patterns

Type-Only Imports & Exports

Template Literal Types — String Algebra at the Type Level

Branded Types — Nominal Typing in a Structural System

Common TypeScript Errors

TypeScript Modules — module, moduleResolution, .mts / .cts

.d.ts Files — Ambient Declarations, Asset Imports, Module Typing

Linux View all 48 →

grep — Pattern Search

ripgrep (rg) — Fast Recursive Search

fd — Fast File Finder

find — File Search

sed — Stream Editor

tar — Archive & Compress

vim — Modal Text Editor

awk / gawk — Text Processing

rsync — Fast Incremental File Sync

cut, paste & join — Column Tools

tmux — Terminal Multiplexer

sort, uniq & wc — Counting & Ordering

tr & xargs — Transform and Execute

permissions — chmod, chown, umask, ACLs

cron — Scheduled Jobs

df, du & duf — Disk Usage

bat — Better cat

eza / exa — Modern ls

jq — JSON Processor

curl — HTTP Client

Windows View all 72 →

dir — List Directory Contents

cd — Change Directory

hostname — Print Machine Name

whoami — Current User Identity

set — Environment Variables

echo — Output Text and Control Command Echo

findstr — Search Text in Files

fc — File Compare

cls — Clear Console Screen

copy — Copy Files

xcopy — Extended Copy

robocopy — Robust File Copy

del — Delete Files

rmdir / rd — Remove Directory

mkdir / md — Make Directory

move — Move and Rename Files

ipconfig — IP Configuration

ping — Test Network Connectivity

tracert — Trace Network Route

netstat — Network Connections and Statistics

z/OS View all →

SDSF — Spool Display and Search Facility

DFSORT — Sort, Merge, and ICETOOL

GDG — Generation data groups for rolling datasets

IDCAMS — Access Method Services for VSAM

IEBCOPY — Partitioned dataset copy, compress, and unload

JCL DD Statement — Deep Reference

JES2 — Operator commands and subsystem control

RACF — z/OS Security Administration

ISPF Edit — Primary commands, line commands, macros, and column-mode editing

USS — z/OS UNIX System Services

Zowe CLI — Modern z/OS DevOps from your laptop

Db2 SPUFI — Interactive SQL, DSN commands, BIND, and catalog queries on z/OS

CICS CEMT — Master Terminal Operator Reference

DFSMShsm — Hierarchical Storage Manager

z/OS TCP/IP — NETSTAT, PING, Profile, and Diagnostics

JCL Quick Reference

TSO/ISPF Navigation

z/OS FTP Reference

macOS View all →

macOS CLI — Command Line Reference

sips — Scriptable Image Processing

diskutil — macOS Disk & APFS Management

networksetup — macOS Network Configuration

codesign — macOS Code Signing, Notarization & Stapling

xattr — Extended Attributes on macOS

defaults — macOS Preferences From the Command Line

duti — Set Default Applications on macOS

Homebrew — The Missing Package Manager for macOS

launchctl — Managing launchd Agents and Daemons

softwareupdate — macOS Updates From the Terminal

caffeinate — Keep macOS Awake on Demand

mdfind — Spotlight Search From the Terminal

system_profiler — macOS Hardware & Software Inventory

pbcopy & pbpaste — macOS Clipboard CLI

pmset — macOS Power Management

osascript — Run AppleScript and JXA From the Shell

tmutil — Time Machine from the Command Line

Claude Code View all →

Claude Code Overview

Claude Code CLI — Complete Command-Line Reference

Claude Code Slash Commands

Claude Code Settings and Permissions

Claude Code Subagents

Claude Code Hooks

Claude Code Skills

Claude Code MCP Servers

Claude Code Statusline

Claude Code Power-User Tips

Codex CLI View all →

Codex CLI Overview

Codex Configuration

codex exec — Non-Interactive Mode

Codex Slash Commands

Approvals & Sandboxing

Codex MCP Servers

Codex Tips & AGENTS.md

Codex Sub-Agents & Task Delegation

Claude API View all →

Claude API — Python

Claude API — TypeScript SDK

Claude Tool Use (Function Calling)

Claude API — Streaming

Claude API — Message Batches

Claude API — Prompt Caching

Claude API — Files

Prompting View all →

Prompt Engineering Patterns

RAG Implementation Checklist

LLM Evaluations

Few-Shot Prompting

Chain-of-Thought Prompting

Structured Output

Frameworks View all →

transformers — Hugging Face

google-generativeai — Gemini SDK

LangChain — LLM Application Framework

LangSmith — LLM Observability & Evaluation

Haystack 2.x — Pipelines for LLM Applications

DSPy — Programmatic Prompting and Optimisation

Semantic Kernel — Microsoft's AI Orchestration SDK

MCP Frameworks — Servers, Clients, and Transports

Agent Frameworks Comparison — Decision Matrix

Pip (Python) View all →

npm (Node) View all →

Cargo (Rust) View all →

Go modules View all →

OS 5 concepts

DNS Filesystems JSON Pipes Regular Expressions

AI 3 concepts

AI Agents APIs Retrieval-Augmented Generation (RAG)

Programming 2 concepts

Asynchronous Programming HTTP

All concepts (10) → View concept graph →

[ new ] [ categories ] [ glossary ] [ graph ] [ tags ]

Navigation

Python Installation — Quick-Pick Python Installation — Windows Python Installation — WSL Ubuntu Python Installation — macOS Python Installation — Linux Virtual Environments — venv pyproject.toml — Modern Python Project Config pip — Python Package Installer Essential Python Packages requests — HTTP for Humans httpx — Modern HTTP Client numpy — Numerical Arrays pandas — DataFrames matplotlib — Plotting scipy — Scientific Computing Pillow — Image Processing scikit-learn — Classical Machine Learning click — CLI Builder pydantic — Data Validation sqlalchemy — SQL Toolkit & ORM + 40 more →

Node.js Installation Node.js Runtime npm Package Manager npx — Execute npm Packages node:fs — File System node:stream — Streams Fastify — Node Web Framework pnpm Package Manager Yarn Package Manager package.json Reference JavaScript Modules Array Methods Async / Await Regular Expressions Promises Fetch API Error Handling Bun — All-in-One JavaScript Runtime & Toolkit diff2html-cli — Beautiful HTML Diffs from the Terminal wrangler — Cloudflare Workers CLI + 15 more →

TypeScript Installation & Running tsconfig.json Reference Types vs Interfaces Generics Utility Types Type Narrowing typeof & keyof — Type-level operators satisfies Operator — Type-check without widening Type Guards Mapped & Conditional Types Discriminated Unions — Tagged Variants & Exhaustiveness infer Keyword — Extracting types from patterns Type-Only Imports & Exports Enums Template Literal Types — String Algebra at the Type Level Branded Types — Nominal Typing in a Structural System Decorators Common TypeScript Errors TypeScript Modules — module, moduleResolution, .mts / .cts .d.ts Files — Ambient Declarations, Asset Imports, Module Typing + 7 more →

grep — Pattern Search ripgrep (rg) — Fast Recursive Search fd — Fast File Finder find — File Search sed — Stream Editor tar — Archive & Compress vim — Modal Text Editor awk / gawk — Text Processing rsync — Fast Incremental File Sync cut, paste & join — Column Tools tmux — Terminal Multiplexer sort, uniq & wc — Counting & Ordering tr & xargs — Transform and Execute permissions — chmod, chown, umask, ACLs cron — Scheduled Jobs df, du & duf — Disk Usage bat — Better cat eza / exa — Modern ls jq — JSON Processor curl — HTTP Client + 28 more →

dir — List Directory Contents cd — Change Directory hostname — Print Machine Name whoami — Current User Identity set — Environment Variables echo — Output Text and Control Command Echo findstr — Search Text in Files fc — File Compare cls — Clear Console Screen copy — Copy Files xcopy — Extended Copy robocopy — Robust File Copy del — Delete Files rmdir / rd — Remove Directory mkdir / md — Make Directory move — Move and Rename Files ipconfig — IP Configuration ping — Test Network Connectivity tracert — Trace Network Route netstat — Network Connections and Statistics + 52 more →

SDSF — Spool Display and Search Facility DFSORT — Sort, Merge, and ICETOOL GDG — Generation data groups for rolling datasets IDCAMS — Access Method Services for VSAM IEBCOPY — Partitioned dataset copy, compress, and unload JCL DD Statement — Deep Reference JES2 — Operator commands and subsystem control RACF — z/OS Security Administration ISPF Edit — Primary commands, line commands, macros, and column-mode editing USS — z/OS UNIX System Services Zowe CLI — Modern z/OS DevOps from your laptop Db2 SPUFI — Interactive SQL, DSN commands, BIND, and catalog queries on z/OS CICS CEMT — Master Terminal Operator Reference DFSMShsm — Hierarchical Storage Manager z/OS TCP/IP — NETSTAT, PING, Profile, and Diagnostics JCL Quick Reference REXX Snippets TSO/ISPF Navigation z/OS FTP Reference

macOS CLI — Command Line Reference sips — Scriptable Image Processing diskutil — macOS Disk & APFS Management networksetup — macOS Network Configuration codesign — macOS Code Signing, Notarization & Stapling xattr — Extended Attributes on macOS defaults — macOS Preferences From the Command Line duti — Set Default Applications on macOS Homebrew — The Missing Package Manager for macOS launchctl — Managing launchd Agents and Daemons softwareupdate — macOS Updates From the Terminal caffeinate — Keep macOS Awake on Demand mdfind — Spotlight Search From the Terminal system_profiler — macOS Hardware & Software Inventory pbcopy & pbpaste — macOS Clipboard CLI pmset — macOS Power Management osascript — Run AppleScript and JXA From the Shell tmutil — Time Machine from the Command Line

Claude Code Overview Claude Code CLI — Complete Command-Line Reference Claude Code Slash Commands Claude Code Settings and Permissions Claude Code Subagents Claude Code Hooks Claude Code Skills Claude Code MCP Servers Claude Code Statusline Claude Code Power-User Tips

Codex CLI Overview Codex Configuration codex exec — Non-Interactive Mode Codex Slash Commands Approvals & Sandboxing Codex MCP Servers Codex Tips & AGENTS.md Codex Sub-Agents & Task Delegation

Claude API — Python Claude API — TypeScript SDK Claude Tool Use (Function Calling) Claude API — Streaming Claude API — Message Batches Claude API — Prompt Caching Claude API — Files

Prompt Engineering Patterns RAG Implementation Checklist LLM Evaluations Few-Shot Prompting Chain-of-Thought Prompting Structured Output

transformers — Hugging Face google-generativeai — Gemini SDK LangChain — LLM Application Framework LangSmith — LLM Observability & Evaluation Haystack 2.x — Pipelines for LLM Applications DSPy — Programmatic Prompting and Optimisation Semantic Kernel — Microsoft's AI Orchestration SDK MCP Frameworks — Servers, Clients, and Transports Agent Frameworks Comparison — Decision Matrix

OS 5

DNS Filesystems JSON Pipes Regular Expressions

AI 3

AI Agents APIs Retrieval-Augmented Generation (RAG)

Programming 2

Asynchronous Programming HTTP

All concepts (10) → View concept graph →

[ new ] [ categories ] [ glossary ] [ graph ] [ tags ]

home / tags / #wsl

#wsl (3)

Cheat sheets (3)

wsl — Managing Linux Distros from the wsl.exe CLI

Install, list, export, import, configure, and clone WSL distributions using the wsl.exe command on Windows 10 and 11.

wsl linux virtualization cli sysadmin web-researched

WSL Interoperability

Running Linux tools from Windows and vice versa, file system access, and networking between WSL and Windows.

wsl linux windows interop networking sysadmin reference web-researched

Python Installation — WSL Ubuntu

Install Python 3 inside WSL2/Ubuntu via apt, the deadsnakes PPA, or pyenv. Covers the python3-venv quirk and version aliasing.

python install wsl ubuntu linux

Jockey — Jay's Cheat Sheets & Snippets

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