AWK
A reference for the awk pattern-action language covering built-in variables, program structure, and one-line scripts for spacing, numbering, string and array handling, substitution, and selective printing or deletion of …
A reference for the awk pattern-action language covering built-in variables, program structure, and one-line scripts for spacing, numbering, string and array handling, substitution, and selective printing or deletion of …
A categorized quick reference for core Linux commands, with deprecated tools flagged and modern replacements listed. Covers file operations, text processing, process and user management, networking, archiving, package …
A reference for the Git distributed version-control system covering installation, configuration, branching, remotes, stashing, rebasing, signing, hooks, and LFS.
Reference for kubectl, the command-line client for the Kubernetes API server: installation across platforms, kubeconfig setup, common resource and debugging commands, output formatting, and troubleshooting.
Reference for PowerShell as a cross-platform shell and scripting language: installation, profiles, variables, pipeline operators, common cmdlets, error handling, execution policies, modules, remoting, and CIM/WMI …
Reference for managing Linux users, groups, permissions, ACLs, quotas, and authentication policies. Covers user and group operations, UID/GID ranges, sudo configuration, PAM password policies, and account auditing.