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#reference (12)

Cheat sheets (12)

PowerShell Built-in Variables — Automatic & Preference Variables

Complete reference for every automatic and preference variable built into PowerShell — $_, $Error, $MyInvocation, $PSCmdlet, $Host, $PSVersionTable, $ExecutionContext, and all preference variables that tune runtime behaviour.
powershell variables reference scripting web-researched

systeminfo — System Information

Display detailed OS, hardware, and network configuration for the local or a remote Windows machine. Covers output formats, remote querying, filtering, and parsing in scripts.
systeminfo windows cli sysadmin scripting hardware inventory reference web-researched

takeown — Take File Ownership

Transfer ownership of files and directories to the current user or the Administrators group from an elevated command prompt — a prerequisite for modifying ACLs on system-protected paths.
takeown windows cli scripting sysadmin ntfs acl permissions ownership security reference web-researched

timeout — Pause Script Execution

Pause a batch script for a specified number of seconds with an optional keypress bypass — a reliable replacement for the ping-delay idiom and a safer alternative to sleep in Windows CMD scripts.
timeout windows cli scripting sysadmin reference web-researched

tracert — Trace Network Route

Trace the sequence of routers between your machine and a destination by sending probes with increasing TTL values — the go-to tool for locating where a network path breaks or introduces high latency.
tracert windows cli networking scripting icmp reference web-researched

tzutil & w32tm — Timezone and Windows Time

Read and set the system timezone with tzutil, then query, configure, and force-sync the Windows Time service with w32tm — including NTP peer configuration and Kerberos-clock-drift recovery.
tzutil w32tm windows cli sysadmin time ntp sync kerberos reference web-researched

wevtutil — Windows Event Log Manager

Query, export, clear, and manage Windows Event Log channels from the command line — the primary CLI for event log automation, log archiving, and scripted log analysis on Windows.
wevtutil windows cli scripting sysadmin event-log security reference web-researched

whoami — Current User Identity

Display the current user name, SID, group memberships, and privileges from the Windows command prompt — essential for auditing security context in scripts and support scenarios.
whoami windows cli scripting security sysadmin reference 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

Claude Code CLI — Complete Command-Line Reference

All claude CLI flags, startup modes, non-interactive usage, environment variables, keyboard shortcuts, subcommands, exit codes, and configuration file locations in one place.
claude-code cli reference commands

Claude Code Slash Commands

Complete reference for every built-in Claude Code slash command — session control, context management, configuration, tools, MCP, and authoring custom commands with arguments.
claude-code slash-commands cli reference custom-commands

Codex Slash Commands

Complete reference for every built-in Codex CLI slash command — session control, model switching, sandboxing, MCP management, and TUI utilities.
codex openai slash-commands cli reference tui