LinuxLingo

Singh Siddhant Narayan - Project Portfolio Page

Project: LinuxLingo

LinuxLingo is a command-line application for learning Linux commands through an interactive shell simulator and a built-in quiz system, backed by an in-memory Virtual File System (VFS). It is written in Java.

Given below are my contributions to the project.

Code contributed: RepoSense link
Enhancements implemented (selected):
- Implemented navigation commands and environment persistence features (Issue #11):
  - Implemented VfsSerializer support for persisting environments (serialize/deserialize, save/load/list/delete, escaping).
  - Implemented cd, ls, and supporting utilities such as help/clear.
  - Added environment-related commands: save, load, reset, envlist, envdelete. (PR #26)
- Implemented interactive shell UX and command improvements (Issue #77):
  - Integrated JLine-backed interactive input (ShellLineReader) and tab completion (ShellCompleter).
  - Added “Did you mean?” suggestions (Levenshtein distance) and glob expansion for VFS paths.
  - Enhanced commands such as recursive ls -R, multi-path mkdir, and multi-file touch. (PR #85)
- Improved code quality and release readiness:
  - Improved JavaDoc quality across command classes and storage, and cleaned up stale stub/TODO wording. (PR #151)
  - Added missing profile images referenced by docs/AboutUs.md. (PR #151)
Documentation:
- User Guide:
  - Added an exam flow visual and improved the ls -a example to demonstrate hidden files. (PR #201)
- Manual testing evidence:
  - Authored a feature test report for UG features 6-12: docs/test_reports/Siddhant_TestReport.md. (PR #201)
Review / mentoring contributions:
- Reviewed PRs with non-trivial feedback (examples):
  - PR #55: Add comprehensive unit tests for shell components - https://github.com/AY2526S2-CS2113-T10-2/tp/pull/55
  - PR #56: Add comprehensive unit tests for storage and exam modules - https://github.com/AY2526S2-CS2113-T10-2/tp/pull/56
  - PR #57: Add integration tests and extend GrepCommand test coverage - https://github.com/AY2526S2-CS2113-T10-2/tp/pull/57
  - PR #82: v2.0 JLine Integration, Algorithms & Command Enhancement Stubs - https://github.com/AY2526S2-CS2113-T10-2/tp/pull/82
Contributions beyond the project team:
- Practical Exam Dry Run (PE-D): reported bugs against the allocated team product in NUS-CS2113-AY2526-S2/ped-siddhant2118 (Issues #1-#4): https://github.com/NUS-CS2113-AY2526-S2/ped-siddhant2118/issues

Links to merged PRs (authored)

PR #26: Navigation Commands & Environment Persistence - https://github.com/AY2526S2-CS2113-T10-2/tp/pull/26
PR #85: Implement v2.0 Owner-B shell UX and command improvements - https://github.com/AY2526S2-CS2113-T10-2/tp/pull/85
PR #151: Improve JavaDoc and add missing AboutUs profile images - https://github.com/AY2526S2-CS2113-T10-2/tp/pull/151
PR #201: UG visuals, ls -a example, and Siddhant test report - https://github.com/AY2526S2-CS2113-T10-2/tp/pull/201