MOC: Shell

The command line organized by what you DO with it — process data, write scripts, or operate systems. Expand any page below to see its sections, or click through to the full content. Every page covers both bash (Linux/macOS) and PowerShell (Windows).

mindmap
  ((Data and Files))
    (navigation)
    (reading files)
    (grep, regex)
    (awk)
    (sed)
    (date, time)
    (finding files)
    (file manipulation)
    (compression)
    (data transfer)

Data & Files

domain-data-and-files

Shell commands for navigating directories, reading and transforming file content, pattern matching, and transferring data across systems.

mindmap
  ((Script Engineering))
    (command history)
    (IO redirection)
    (command chaining)
    (process substitution)
    (brace expansion)
    (environment variables)
    (defensive scripting)

Script Engineering

domain-script-engineering

Building reliable shell scripts with proper history management, IO control, chaining, expansion, environment variables, and defensive error handling.

mindmap
  ((System and Network))
    (viewing processes)
    (system resources)
    (killing processes)
    (managing services)
    (connectivity testing)
    (socket inspection)
    (HTTP, APIs)
    (firewalls)
    (IAP tunneling)
    (GCP resources)

System & Network Operations

domain-system-and-network

Monitoring processes and resources, managing services, testing connectivity, inspecting sockets, making HTTP requests, configuring firewalls, and connecting to GCP infrastructure.

Shell Cross-References

• sqlcmd-connection-and-usage — SQL Server command-line operations from the shell
• gcloud-authentication — GCP authentication underpinning all gcloud CLI work
• container-lifecycle — Docker container commands are shell operations
• cron and crontab — Scheduling shell commands for pipeline automation