Production-grade Unix documentation for engineers who run real systems.
Command references, scripting guides, operational labs, and cheat sheets organized for rapid lookup and deep learning. Built for terminal-first workflows.
Interactive Terminal Teaser
unix@docs:~$ ls -la /var/log
auth.log boot.log kern.log syslog wtmp
unix@docs:~$ grep -i "error" syslog | tail -n 3
May 16 09:41:12 scheduler: error queue full
Terminal playground and Docker sandboxes are on the roadmap.
BCA 6th Sem
Class notes, lab work, and assignments.
A focused workspace for your semester materials with direct links to notes and lab submissions.
Class Notes
Weekly notes, key topics, and revision summaries.
Lab Work
Lab exercises, scripts, and output snapshots.
Assignments
Problem statements, submissions, and references.
Project Notes
Mini project ideas, architecture, and checklists.
Syllabus
Unix & Shell Programming — official syllabus PDF.
Bash Shell Scripts
Scripts executed remotely on Linux.
Featured Commands
Shell Scripting Highlights
Reliability Patterns
Strict mode, traps, retries, and safe temp directories.
Automation Playbooks
Backups, log rotation, release rollbacks, and health checks.
Observability
Readable logs, structured output, and performance timing.
Cheatsheets
Curated quick references for on-call speed.
Command syntax, flags, and patterns grouped by operational intent. Designed for terminal-side reading.
Open CheatsheetRecent Documentation
Text Processing
Pattern matching and stream editing with grep, awk, and sed.
Log Rotation Script
A production-minded Bash project with safety checks.
Shell Basics
Understand shells, prompts, environment variables, and pipelines.
What is Unix?
Core concepts, philosophy, and why Unix still matters.
Core Commands Cheatsheet
High-signal command snippets for daily operations.