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Command Line Basics

Unix shell environments, file system navigation, stream redirection, pipes, text processing utilities, and shell scripting.

1Shell Environment & File Navigation

Comprehensive curriculum module covering shell environment & file navigation.

Shell Environment & File Navigation

In-depth engineering topic analyzing shell environment & file navigation.

Shell Environment & File Navigation

Navigate POSIX filesystem hierarchies, path resolution algorithms, octal file permission bitmasks, and shell environment variable configuration.

2Streams, Redirection & Pipeline Mechanics

Comprehensive curriculum module covering streams, redirection & pipeline mechanics.

Streams, Redirection & Pipeline Mechanics

In-depth engineering topic analyzing streams, redirection & pipeline mechanics.

Streams, Redirection & Pipeline Mechanics

Understand Unix standard streams (stdin, stdout, stderr), file descriptor manipulation, pipeline mechanics via OS kernel buffers, and non-blocking stream redirection.

3Text Processing & Pattern Matching Utilities

Comprehensive curriculum module covering text processing & pattern matching utilities.

Text Processing & Pattern Matching Utilities

In-depth engineering topic analyzing text processing & pattern matching utilities.

Text Processing & Pattern Matching Utilities

Process high-volume text streams using Unix power utilities: regular expression matching with grep, stream transformations with sed, and record-oriented data processing with AWK.

4Bash Shell Scripting & Process Management

Comprehensive curriculum module covering bash shell scripting & process management.

Bash Shell Scripting & Process Management

In-depth engineering topic analyzing bash shell scripting & process management.

Bash Shell Scripting & Process Management

Write defensive Bash shell scripts using strict mode (set -euo pipefail), manage Unix process lifecycles, signal dispatching (SIGTERM/SIGINT), and background job control.