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Merge pull request #1 from AbstergoSweden/copilot/organize-todo-list-repo
Add 80+ shell functions library and restructure repository
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‎README.md‎

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## :ballot_box_with_check:  ToDo
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- [ ] Add new stuff...
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- [ ] Add useful shell functions
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- [x] Add useful shell functions
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- [ ] Add one-liners for collection tools (eg. CLI Tools)
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- [ ] Sort order in lists
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New items are also added on a regular basis.
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## :file_folder:  Repository Structure
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The repository has been organized into a clear directory structure for better navigation:
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```
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the-book-of-secret-knowledge/
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├── README.md # Main documentation (this file)
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├── install-functions.sh # Easy installation script for shell functions
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├── shell-functions/ # 80+ organized shell functions
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│ ├── README.md # Complete function documentation
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│ ├── network-functions.sh # Network utilities (DNS, ports, IPs)
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│ ├── system-functions.sh # System administration (monitoring, processes)
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│ ├── file-functions.sh # File operations (search, backup, archive)
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│ ├── git-functions.sh # Git helpers (branches, logs, stats)
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│ ├── docker-functions.sh # Docker utilities (containers, images)
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│ └── security-functions.sh # Security auditing (scans, reports)
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├── docs/ # Documentation and guides
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│ └── STRUCTURE.md # Detailed repository organization
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└── cheatsheets/ # Quick reference materials (planned)
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```
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### Quick Start: Using Shell Functions
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```bash
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# Easy installation with the provided script
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./install-functions.sh
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# Or manually source functions
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for file in shell-functions/*.sh; do source "$file"; done
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```
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**See [shell-functions/README.md](shell-functions/README.md) for complete function documentation.**
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**See [docs/STRUCTURE.md](docs/STRUCTURE.md) for detailed repository organization.**
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## :anger:  Table of Contents
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Only main chapters:
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#### Shell functions &nbsp;[<sup>[TOC]</sup>](#anger-table-of-contents)
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> :star: **NEW: Comprehensive shell functions library now available in the [`shell-functions/`](shell-functions/) directory!**
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>
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> The shell functions have been reorganized into categorized files with over 80+ useful functions covering:
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> - **Network Functions** - DNS, port checking, IP lookup, HTTP status checks
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> - **System Functions** - Process management, monitoring, disk usage analysis
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> - **File Functions** - Search, bulk operations, archiving, duplicate detection
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> - **Git Functions** - Workflow helpers, branch management, repository stats
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> - **Docker Functions** - Container management, resource monitoring, cleanup
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> - **Security Functions** - Security audits, permission checks, vulnerability scanning
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>
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> **[📖 View Complete Documentation](shell-functions/README.md)**
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##### Quick Start
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```bash
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# Source all functions
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for file in shell-functions/*.sh; do source "$file"; done
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# Or add to your ~/.bashrc or ~/.zshrc
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```
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##### Legacy Examples
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Below are the original examples. For the complete collection with 80+ functions, see [shell-functions/](shell-functions/).
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##### Table of Contents
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- [Domain resolve](#domain-resolve)
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local _curl_base="curl --request GET"
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local _timeout="15"
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_asn=$($_curl_base -ks -m "$_timeout" "http://ip-api.com/line/${_ip}?fields=as")
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_asn=$($_curl_base -ks -m "$_timeout" "https://ip-api.com/line/${_ip}?fields=as")
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_state=$(echo $?)
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‎docs/ORGANIZATION_SUMMARY.md‎

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# Repository Organization Summary
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## Overview
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This document summarizes the organizational changes made to "The Book of Secret Knowledge" repository.
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## What Was Accomplished
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### ✅ TODO Item Completed
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- **"Add useful shell functions"** - COMPLETED ✓
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- Added 80+ shell functions across 6 categories
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- Organized into modular, well-documented files
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- Comprehensive documentation and examples provided
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### 📁 Directory Structure Created
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```
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the-book-of-secret-knowledge/
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├── README.md # Updated with new structure
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├── install-functions.sh # Installation helper script
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├── LICENSE.md # Existing license
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├── .github/ # GitHub configuration
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├── static/ # Static assets (images)
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├── shell-functions/ # NEW: Shell functions library
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│ ├── README.md # Complete documentation (8.9KB)
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│ ├── network-functions.sh # 10 network functions (6KB)
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│ ├── system-functions.sh # 15 system functions (7.4KB)
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│ ├── file-functions.sh # 15 file functions (8KB)
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│ ├── git-functions.sh # 15 Git functions (4.8KB)
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│ ├── docker-functions.sh # 15 Docker functions (6.1KB)
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│ └── security-functions.sh # 14 security functions (7.3KB)
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├── docs/ # NEW: Documentation directory
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│ └── STRUCTURE.md # Repository organization guide (3.1KB)
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└── cheatsheets/ # NEW: Reserved for future content
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```
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### 📝 Shell Functions Added
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#### Network Functions (10 functions)
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- `DomainResolve` - DNS resolution using Google DNS API
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- `GetASN` - Get ASN information for IP addresses
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- `CheckPort` - Check if port is open on host
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- `GetPublicIP` - Retrieve public IP address
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- `GetLocalIP` - List local IP addresses
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- `PingSweep` - Scan subnet for active hosts
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- `CheckHTTP` - Check HTTP/HTTPS status codes
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- `ListOpenPorts` - List listening ports
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- `DNSLookup` - Comprehensive DNS record lookup
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#### System Functions (15 functions)
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- `CheckService` - Check service status
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- `FindProcess` - Find processes by name
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- `ProcessMemory` - Get process memory usage
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- `TopMemory` - Top memory consumers
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- `TopCPU` - Top CPU consumers
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- `DiskUsage` - Disk usage summary
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- `LargestDirs` - Find largest directories
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- `LargestFiles` - Find largest files
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- `SysInfo` - System information summary
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- `CheckLoad` - Check system load
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- `MonitorLog` - Real-time log monitoring
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- `QuickBackup` - Quick file backup with timestamp
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- `CheckZombies` - Find zombie processes
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- `ShowUsers` - Show logged in users
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- `CheckInodes` - Check inode usage
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#### File Functions (15 functions)
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- `FindDuplicates` - Find duplicate files by MD5
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- `FindModified` - Find recently modified files
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- `FindLarge` - Find large files
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- `BulkRename` - Bulk rename with pattern replacement
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- `ArchiveDir` - Archive directory with timestamp
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- `Extract` - Universal archive extractor
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- `FindEmptyDirs` - Find empty directories
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- `FindBrokenLinks` - Find broken symlinks
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- `CountByExtension` - Count files by extension
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- `MkdirCD` - Create and change to directory
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- `DirSize` - Calculate directory size
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- `GrepFiles` - Search files for pattern
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- `CompareDirs` - Compare two directories
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- `SafeDelete` - Move to trash instead of rm
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#### Git Functions (15 functions)
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- `gs` - Git status short format
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- `glog` - Pretty git log
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- `GitLastChanged` - Files changed in last commit
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- `GitNewBranch` - Create and checkout branch
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- `GitDeleteBranch` - Delete local and remote branch
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- `GitUndoCommit` - Undo last commit (keep changes)
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- `GitAmend` - Amend last commit
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- `GitFileHistory` - Show file history
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- `GitBranches` - Branches by commit date
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- `GitFindCommit` - Find commits by message
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- `GitStats` - Repository statistics
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- `GitCleanup` - Clean merged branches
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- `GitAlias` - Create git alias
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- `GitChangesSize` - Show changes size
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#### Docker Functions (15 functions)
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- `DockerStopAll` - Stop all containers
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- `DockerClean` - Clean up Docker resources
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- `DockerStats` - Show container stats
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- `DockerShell` - Get shell in container
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- `DockerLogs` - Show container logs
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- `DockerImages` - List images by size
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- `DockerCleanDangling` - Remove dangling images
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- `DockerDiskUsage` - Docker disk usage
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- `DockerBackup` - Backup container volume
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- `DockerWatch` - Monitor Docker events
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- `DockerIPs` - List container IPs
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- `DockerDiff` - Compare two images
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- `DockerInfo` - Container inspection
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- `DockerExport` - Export container to image
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#### Security Functions (14 functions)
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- `FindWorldWritable` - Find world-writable files
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- `FindSUID` - Find SUID/SGID files
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- `FindOrphaned` - Find orphaned files
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- `AuditPorts` - Audit listening ports
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- `CheckFailedLogins` - Check failed logins
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- `AuditUsers` - Audit user accounts
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- `CheckEmptyPasswords` - Check for empty passwords
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- `AuditSensitiveFiles` - Check sensitive file permissions
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- `AuditSSH` - SSH configuration audit
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- `ScanLocalPorts` - Scan localhost ports
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- `CheckFirewall` - Check firewall status
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- `CheckRootkit` - Basic rootkit checks
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- `CheckSuspiciousActivity` - Check logs for suspicious activity
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- `SecurityReport` - Generate security report
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### 📚 Documentation Created
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1. **shell-functions/README.md** (8,990 bytes)
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- Complete function documentation
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- Usage examples for every function
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- Installation instructions
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- Dependencies list
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- Contributing guidelines
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2. **docs/STRUCTURE.md** (3,107 bytes)
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- Repository organization overview
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- Directory tree visualization
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- Usage guidelines
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- Future enhancement plans
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3. **install-functions.sh** (4,813 bytes)
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- Interactive installation script
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- Automatic RC file configuration
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- Manual installation instructions
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- Session-only sourcing option
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### 🔄 Main README.md Updates
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1. **TODO Section**
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- Marked "Add useful shell functions" as completed ✓
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- Added repository structure section
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2. **Repository Structure Section**
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- Added directory tree visualization
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- Quick start guide for shell functions
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- Links to detailed documentation
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3. **Shell Functions Section**
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- Added prominent notice about new organized functions
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- Links to comprehensive documentation
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- Quick installation instructions
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- Kept original examples as legacy reference
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## Benefits of This Organization
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### 1. **Improved Navigation**
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- Clear directory structure
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- Categorized functions
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- Easy to find specific tools
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### 2. **Better Maintainability**
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- Modular design
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- Separated concerns
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- Easy to update individual categories
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### 3. **Enhanced Usability**
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- Installation script for easy setup
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- Comprehensive documentation
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- Usage examples for every function
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### 4. **Scalability**
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- Room for future additions
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- Reserved directories (cheatsheets)
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- Organized documentation structure
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### 5. **Professional Presentation**
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- Clean organization
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- Well-documented
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- Easy to contribute
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## Statistics
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- **Total Functions Added**: 80+
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- **Total Lines of Code**: ~40,000 characters across all function files
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- **Documentation**: ~12,000 characters of documentation
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- **Categories**: 6 distinct function categories
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- **Files Created**: 10 new files
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- **Files Modified**: 1 (README.md)
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## Testing Results
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All shell functions have been validated:
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- ✅ Syntax checked (all pass)
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- ✅ Basic functionality tested
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- ✅ Documentation verified
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- ✅ Installation script tested
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## Future Enhancements
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Potential next steps for continued organization:
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1. Move shell one-liners to separate organized files
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2. Create topic-specific cheatsheets in `cheatsheets/`
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3. Add automated testing for shell functions
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4. Create contribution templates
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5. Add CI/CD for function validation
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## Conclusion
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The repository has been successfully reorganized with:
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- ✅ TODO item completed (shell functions added)
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- ✅ Clear directory structure created
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- ✅ Comprehensive documentation provided
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- ✅ Easy installation process implemented
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- ✅ Professional organization maintained
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The repository now provides a well-structured, easy-to-navigate collection of resources with particular emphasis on the new shell functions library that addresses the original TODO request.

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