1. Linux Fundamentals
- Overview of Linux Distributions: Understanding the differences between various distributions (e.g., Ubuntu, CentOS, Fedora) and their respective package management systems.
- Linux Installation and Setup: Installing Linux on different environments (bare metal, virtual machines, cloud instances).
- File System Hierarchy: Familiarizing yourself with the Linux directory structure (e.g., /bin, /etc, /home) and the purpose of each directory.
- Basic Commands: Mastering essential commands like
ls (list directory contents), cp (copy files), mv (move/rename files), rm (remove files), cat (concatenate and display files).
2. Command-Line Proficiency
- File System Navigation: Using commands like
cd (change directory), pwd (print working directory), and ls.
- Text Editors: Proficiency in text editors like
vi, vim, and nano for editing configuration files and scripts.
- Standard I/O: Understanding how to use
stdin, stdout, and stderr, and how to redirect output using >, >>, and 2>.
- Piping and Redirection: Combining commands with
| to pass output from one command as input to another.
- Process Management: Using
ps (process status), top (real-time process monitoring), kill (terminate processes).
3. Shell Scripting
- Basics of Bash Scripting: Writing and executing simple scripts, understanding shell syntax.
- Variables and Arrays: Using variables to store data, and arrays for lists of values.
- Control Structures: Implementing conditional statements (
if, else) and loops (for, while).
- Functions: Writing reusable code blocks with functions.