docs/
└── tutorials/
└── shell-bash/
├── index.mdx
├── 01-introduction/
│ ├── what-is-a-shell.mdx
│ ├── what-is-bash.mdx
│ ├── shell-vs-terminal.mdx
│ ├── bash-vs-sh.mdx
│ ├── command-line-fundamentals.mdx
│ ├── command-interpreters.mdx
│ └── common-shells.mdx
├── 02-environment-setup/
│ ├── bash-on-linux.mdx
│ ├── bash-on-macos.mdx
│ ├── bash-on-windows.mdx
│ ├── windows-wsl-setup.mdx
│ ├── git-bash-setup.mdx
│ ├── terminal-emulators.mdx
│ └── verify-bash-installation.mdx
├── 03-first-commands/
│ ├── your-first-command.mdx
│ ├── pwd-and-current-directory.mdx
│ ├── ls-and-directory-listing.mdx
│ ├── cd-and-navigation.mdx
│ ├── clear-and-reset.mdx
│ ├── command-history.mdx
│ └── command-help-and-man-pages.mdx
├── 04-files-and-directories/
│ ├── file-paths.mdx
│ ├── absolute-vs-relative-paths.mdx
│ ├── mkdir-and-directory-creation.mdx
│ ├── touch-and-file-creation.mdx
│ ├── cp-and-copying-files.mdx
│ ├── mv-and-renaming-files.mdx
│ ├── rm-and-safe-file-removal.mdx
│ ├── find-files-and-directories.mdx
│ ├── file-types-and-metadata.mdx
│ └── symbolic-and-hard-links.mdx
├── 05-text-processing/
│ ├── cat-and-file-content.mdx
│ ├── less-and-paging.mdx
│ ├── head-and-tail.mdx
│ ├── grep-and-pattern-search.mdx
│ ├── sed-and-stream-editing.mdx
│ ├── awk-and-text-processing.mdx
│ ├── sort-uniq-and-cut.mdx
│ ├── wc-and-text-counting.mdx
│ ├── tr-and-character-transformations.mdx
│ └── regular-expressions.mdx
├── 06-redirection-and-pipelines/
│ ├── stdin-stdout-and-stderr.mdx
│ ├── output-redirection.mdx
│ ├── append-and-overwrite.mdx
│ ├── input-redirection.mdx
│ ├── pipes-and-command-chaining.mdx
│ ├── tee-and-output-duplication.mdx
│ ├── file-descriptors.mdx
│ ├── command-substitution.mdx
│ └── process-substitution.mdx
├── 07-shell-expansion-and-quoting/
│ ├── quoting-rules.mdx
│ ├── variable-expansion.mdx
│ ├── command-substitution.mdx
│ ├── filename-expansion-globbing.mdx
│ ├── brace-expansion.mdx
│ ├── tilde-expansion.mdx
│ ├── arithmetic-expansion.mdx
│ ├── word-splitting.mdx
│ └── shell-expansion-order.mdx
├── 08-permissions-and-ownership/
│ ├── file-permissions.mdx
│ ├── chmod-and-permission-modes.mdx
│ ├── chown-and-chgrp.mdx
│ ├── umask-and-default-permissions.mdx
│ ├── executable-scripts.mdx
│ ├── sudo-and-privileges.mdx
│ └── least-privilege-principle.mdx
├── 09-bash-scripting-basics/
│ ├── your-first-bash-script.mdx
│ ├── shebang-and-interpreters.mdx
│ ├── script-permissions.mdx
│ ├── comments-and-documentation.mdx
│ ├── variables-and-assignment.mdx
│ ├── environment-variables.mdx
│ ├── read-and-user-input.mdx
│ ├── printf-and-formatted-output.mdx
│ └── script-arguments.mdx
├── 10-variables-and-data/
│ ├── local-and-global-variables.mdx
│ ├── readonly-and-unset.mdx
│ ├── strings-and-manipulation.mdx
│ ├── arrays.mdx
│ ├── associative-arrays.mdx
│ ├── indexed-array-operations.mdx
│ ├── parameter-expansion.mdx
│ └── environment-and-export.mdx
├── 11-conditionals-and-logic/
│ ├── exit-status-and-return-codes.mdx
│ ├── test-and-conditional-expressions.mdx
│ ├── if-elif-and-else.mdx
│ ├── case-statements.mdx
│ ├── logical-and-or-not.mdx
│ ├── string-comparisons.mdx
│ ├── numeric-comparisons.mdx
│ └── file-test-operators.mdx
├── 12-loops-and-iteration/
│ ├── for-loops.mdx
│ ├── while-loops.mdx
│ ├── until-loops.mdx
│ ├── loop-over-files.mdx
│ ├── loop-over-arrays.mdx
│ ├── break-and-continue.mdx
│ ├── nested-loops.mdx
│ └── safe-line-by-line-reading.mdx
├── 13-functions-and-reusability/
│ ├── function-fundamentals.mdx
│ ├── function-arguments.mdx
│ ├── local-variables-and-scope.mdx
│ ├── return-status-and-output.mdx
│ ├── reusable-shell-libraries.mdx
│ ├── recursion-and-limitations.mdx
│ └── modular-script-design.mdx
├── 14-advanced-bash/
│ ├── traps-and-signal-handling.mdx
│ ├── strict-mode-and-its-tradeoffs.mdx
│ ├── process-substitution.mdx
│ ├── here-documents-and-here-strings.mdx
│ ├── namerefs-and-indirect-expansion.mdx
│ ├── mapfile-and-readarray.mdx
│ ├── coprocesses.mdx
│ ├── advanced-parameter-expansion.mdx
│ └── bash-options-and-shopt.mdx
├── 15-processes-and-jobs/
│ ├── process-fundamentals.mdx
│ ├── ps-and-process-inspection.mdx
│ ├── jobs-bg-and-fg.mdx
│ ├── signals-and-kill.mdx
│ ├── background-processes.mdx
│ ├── wait-and-process-synchronization.mdx
│ ├── pipelines-and-subshells.mdx
│ ├── process-groups-and-sessions.mdx
│ └── timeouts-and-cleanup.mdx
├── 16-system-administration/
│ ├── disk-and-filesystem-usage.mdx
│ ├── memory-and-system-information.mdx
│ ├── users-groups-and-identity.mdx
│ ├── services-and-service-management.mdx
│ ├── logs-and-log-analysis.mdx
│ ├── networking-commands.mdx
│ ├── archives-and-compression.mdx
│ ├── package-manager-workflows.mdx
│ └── safe-system-maintenance.mdx
├── 17-automation-and-scheduling/
│ ├── automate-repetitive-tasks.mdx
│ ├── cron-job-fundamentals.mdx
│ ├── cron-environment-and-logging.mdx
│ ├── systemd-timers-overview.mdx
│ ├── backups-and-rotation.mdx
│ ├── cleanup-and-retention-scripts.mdx
│ ├── health-check-scripts.mdx
│ └── notifications-and-alerts.mdx
├── 18-debugging-and-quality/
│ ├── bash-debugging-options.mdx
│ ├── xtrace-and-debug-output.mdx
│ ├── syntax-checking.mdx
│ ├── shellcheck-static-analysis.mdx
│ ├── shfmt-and-formatting.mdx
│ ├── bats-automated-testing.mdx
│ ├── error-handling-patterns.mdx
│ └── portable-shell-scripts.mdx
├── 19-security-and-best-practices/
│ ├── safe-command-construction.mdx
│ ├── quoting-and-injection-prevention.mdx
│ ├── temporary-files-and-mktemp.mdx
│ ├── secrets-and-credential-handling.mdx
│ ├── path-and-environment-security.mdx
│ ├── safe-deletion-patterns.mdx
│ ├── avoid-eval-and-unsafe-input.mdx
│ ├── privilege-and-sudo-safety.mdx
│ └── production-script-checklist.mdx
├── 20-developer-workflows/
│ ├── git-and-bash.mdx
│ ├── development-environment-setup.mdx
│ ├── build-and-test-automation.mdx
│ ├── ci-cd-shell-scripts.mdx
│ ├── docker-and-shell.mdx
│ ├── ssh-and-remote-commands.mdx
│ ├── command-line-data-workflows.mdx
│ └── environment-bootstrap-scripts.mdx
├── 21-projects/
│ ├── interactive-cli-menu.mdx
│ ├── batch-file-organizer.mdx
│ ├── log-analyzer.mdx
│ ├── automated-backup-tool.mdx
│ ├── system-health-monitor.mdx
│ ├── developer-environment-setup.mdx
│ ├── bulk-file-renamer.mdx
│ └── production-automation-toolkit.mdx
├── reference/
│ ├── bash-command-cheatsheet.mdx
│ ├── shell-expansion-reference.mdx
│ ├── bash-operators-reference.mdx
│ ├── exit-codes-reference.mdx
│ ├── file-permissions-reference.mdx
│ ├── environment-variables-reference.mdx
│ ├── common-errors-and-solutions.mdx
│ ├── bash-vs-posix-reference.mdx
│ ├── glossary.mdx
│ └── official-resources.mdx
└── assets/
├── images/
├── diagrams/
└── examples/