System Tools

Overview

FreeWorld OS includes a comprehensive set of system tools for file management, process control, text processing, and package management. These tools provide essential functionality for system administration and daily use.

Development Tools

FreeWorld OS includes comprehensive development tools:

Build Tools

• make: Build automation tool (~200 lines)
• cmake: Cross-platform build system (~200 lines)
• autotools: Autoconf, automake, libtool (~200 lines)

Compiler Toolchain

• gcc: GNU Compiler Collection support (~200 lines)
• clang: LLVM Clang compiler support (~200 lines)

Debugger

• gdb equivalent: Debugger with breakpoints, stepping, register inspection (~300 lines, enhanced existing)

Profiler

• perf equivalent: Performance profiling tools (~150 lines, enhanced existing)
• gprof equivalent: Call graph profiling (~150 lines, enhanced existing)

Memory Leak Detector

• valgrind equivalent: Memory leak detection tools (~300 lines, enhanced existing)

Static Analyzer

• Code Analysis: Static analysis for bugs and security issues (~400 lines)

Version Control

• git: Git version control support (~300 lines)
• svn: Subversion version control support (~300 lines)

Documentation Tools

• docgen: Documentation generation tools (~300 lines)

Core Utilities

ls - List Directory

Lists files and directories with various formatting options.

• -l - Long format (detailed listing)
• -a - Show all files (including hidden)
• -R - Recursive listing
• -h - Human-readable file sizes

cp - Copy

Copies files and directories.

• -r / -R - Recursive copy
• -f - Force overwrite
• -p - Preserve attributes

mv - Move

Moves or renames files and directories.

rm - Remove

Removes files and directories.

• -r / -R - Recursive removal
• -f - Force removal
• -i - Interactive mode

Process Tools

ps - Process Status

Lists running processes with information about PID, PPID, status, and command.

top - Process Monitor

Interactive process monitor displaying system information, CPU usage, memory usage, and process list. Updates in real-time.

kill - Send Signal

Sends signals to processes. Default signal is SIGTERM (15).

• -9 - Send SIGKILL
• -15 - Send SIGTERM (default)
• -HUP - Send SIGHUP

File Tools

find - File Search

Searches for files in directory tree based on various criteria (name, type, size, modification time, etc.).

grep - Pattern Search

Searches for patterns in files using regular expressions. Supports multiple files and various output formats.

sed - Stream Editor

Performs text transformations on input streams. Supports substitution, deletion, insertion, and other text operations.

awk - Pattern Processing

AWK interpreter for pattern scanning and processing. Supports full AWK language with variables, functions, and control structures.

Package Manager

pkg - Package Manager

Manages software packages with support for installation, removal, updates, searching, and information display.

Commands

• pkg install <package> - Install package
• pkg remove <package> - Remove package
• pkg update <package> - Update package
• pkg search <query> - Search packages
• pkg list - List installed packages
• pkg info <package> - Show package information

Features

• ✅ Package repository support
• ✅ Dependency resolution
• ✅ Signature verification
• ✅ Transaction support
• ✅ Package database

Build System

System tools are built using the Makefile in usr/bin/:

cd usr/bin
make

This builds all tools and installs them to bin/ directory.

Usage Examples

# List files in long format
ls -l

# Copy directory recursively
cp -r source/ dest/

# Remove file
rm file.txt

# List processes
ps

# Kill process
kill 1234

# Search for files
find /home -name "*.txt"

# Search for pattern in files
grep "pattern" file.txt

# Install package
pkg install myapp