# Kali Linux, Windows 7, Red Hat Enterprise Linux vs Parrot Security OS Comparison

| | Kali Linux | Windows 7 | Red Hat Enterprise Linux | Parrot Security OS | 
|---|---|---|---|---|
| **Star Rating** | 4.5 out of 5 | 4.2 out of 5 | 4.6 out of 5 | 4.4 out of 5 | 
| **Total Reviews** | 240 | 894 | 974 | 60 | 
| **Largest Market Segment** | Small-Business (56.1% of reviews) | Small-Business (34.8% of reviews) | Enterprise (51.0% of reviews) | Small-Business (65.5% of reviews) | 
| **Entry Level Price** | No pricing available | No pricing available | No pricing available | No pricing available | 

---
## Top Pros & Cons

### Kali Linux

Pros:
- Powerful Features (36 reviews)
- Security/Safety (18 reviews)

Cons:
- Skill Requirements (21 reviews)
- Usage Difficulty (15 reviews)

### Windows 7

Pros:
- User-Friendly (17 reviews)
- Ease of Use (14 reviews)

Cons:
- Outdated Technology (13 reviews)
- Security Issues (11 reviews)

### Red Hat Enterprise Linux

Pros:
- Stability (58 reviews)
- Security (57 reviews)

Cons:
- High Cost (33 reviews)
- Expensive (21 reviews)

### Parrot Security OS

Pros:
- Lightweight Size (7 reviews)
- Privacy Focus (4 reviews)

Cons:
- Driver Issues (3 reviews)
- Skill Requirements (2 reviews)

---
## Ratings Comparison
| Rating | Kali Linux | Windows 7 | Red Hat Enterprise Linux | Parrot Security OS | 
|---|---|---|---|---|
  | **Meets Requirements** | 9.0 (167 reviews) | 8.9 (711 reviews) | 9.0 (502 reviews) | 8.9 (43 reviews) | 
  | **Ease of Use** | 8.2 (174 reviews) | 9.1 (724 reviews) | 8.4 (768 reviews) | 8.6 (43 reviews) | 
  | **Ease of Setup** | 8.5 (99 reviews) | 9.1 (270 reviews) | 8.5 (575 reviews) | 8.5 (24 reviews) | 
  | **Ease of Admin** | 8.6 (47 reviews) | 8.9 (215 reviews) | 8.5 (295 reviews) | 8.2 (15 reviews) | 
  | **Quality of Support** | 8.2 (162 reviews) | 7.9 (648 reviews) | 8.8 (485 reviews) | 7.9 (41 reviews) | 
  | **Has the product been a good partner in doing business?** | 8.8 (43 reviews) | 8.7 (198 reviews) | 8.8 (282 reviews) | 8.9 (15 reviews) | 
  | **Product Direction (% positive)** | 9.6 (161 reviews) | 7.0 (676 reviews) | 8.9 (482 reviews) | 9.5 (43 reviews) | 

---
## Pricing

### Kali Linux

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Windows 7

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Red Hat Enterprise Linux

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Parrot Security OS

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

---
## Features Comparison By Category

### Digital Forensics

| Product | Score | Reviews |
|---|---|---|
| **Kali Linux** | N/A | N/A |
| **Windows 7** | N/A | N/A |
| **Red Hat Enterprise Linux** | N/A | N/A |
| **Parrot Security OS** | 8.6/10 | 25 |

#### Analysis

| Feature | Kali Linux | Windows 7 | Red Hat Enterprise Linux | Parrot Security OS | 
|---|---|---|---|---|
| **File Analysis** | Not enough data | Not enough data | Not enough data | 9.3 (21 reviews) | 
| **Memory Analysis** | Not enough data | Not enough data | Not enough data | 9.2 (22 reviews) | 
| **Registry Analysis** | Not enough data | Not enough data | Not enough data | 9.0 (21 reviews) | 
| **Email Analysis** | Not enough data | Not enough data | Not enough data | 8.7 (21 reviews) | 
| **Linux Analysis** | Not enough data | Not enough data | Not enough data | 9.1 (17 reviews) | 

#### Functionality

| Feature | Kali Linux | Windows 7 | Red Hat Enterprise Linux | Parrot Security OS | 
|---|---|---|---|---|
| **Incident Alerts** | Not enough data | Not enough data | Not enough data | 8.7 (21 reviews) | 
| **Anomaly Detection** | Not enough data | Not enough data | Not enough data | 8.3 (22 reviews) | 
| **Continuous Analysis** | Not enough data | Not enough data | Not enough data | 8.9 (21 reviews) | 
| **Decryption** | Not enough data | Not enough data | Not enough data | 9.0 (21 reviews) | 

#### Remediation

| Feature | Kali Linux | Windows 7 | Red Hat Enterprise Linux | Parrot Security OS | 
|---|---|---|---|---|
| **Incident Reports** | Not enough data | Not enough data | Not enough data | 8.7 (20 reviews) | 
| **Remediation Suggestions** | Not enough data | Not enough data | Not enough data | 8.4 (20 reviews) | 
| **Response Automation** | Not enough data | Not enough data | Not enough data | 8.3 (19 reviews) | 

#### Generative AI

| Feature | Kali Linux | Windows 7 | Red Hat Enterprise Linux | Parrot Security OS | 
|---|---|---|---|---|
| **AI Text Generation** | Not enough data | Not enough data | Not enough data | 8.3 (10 reviews) | 
| **AI Text Summarization** | Not enough data | Not enough data | Not enough data | 8.2 (10 reviews) | 

### Server Virtualization

| Product | Score | Reviews |
|---|---|---|
| **Kali Linux** | N/A | N/A |
| **Windows 7** | N/A | N/A |
| **Red Hat Enterprise Linux** | 8.7/10 | 46 |
| **Parrot Security OS** | N/A | N/A |

#### Performance

| Feature | Kali Linux | Windows 7 | Red Hat Enterprise Linux | Parrot Security OS | 
|---|---|---|---|---|
| **Scalability** | Not enough data | Not enough data | 8.8 (44 reviews) | Not enough data | 
| **Portability** | Not enough data | Not enough data | 8.8 (42 reviews) | Not enough data | 
| **Data Recovery** | Not enough data | Not enough data | 8.6 (40 reviews) | Not enough data | 

#### Functionality

| Feature | Kali Linux | Windows 7 | Red Hat Enterprise Linux | Parrot Security OS | 
|---|---|---|---|---|
| **OS Integration** | Not enough data | Not enough data | 9.0 (43 reviews) | Not enough data | 
| **Resource Saving** | Not enough data | Not enough data | 8.6 (41 reviews) | Not enough data | 
| **Performance Management** | Not enough data | Not enough data | 9.0 (41 reviews) | Not enough data | 
| **Security** | Not enough data | Not enough data | 9.1 (42 reviews) | Not enough data | 

#### Agentic AI - Server Virtualization

| Feature | Kali Linux | Windows 7 | Red Hat Enterprise Linux | Parrot Security OS | 
|---|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 8.8 (7 reviews) | Not enough data | 
| **Multi-step Planning** | Not enough data | Not enough data | 8.1 (6 reviews) | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | 8.3 (7 reviews) | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | 8.6 (6 reviews) | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | 8.6 (7 reviews) | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | 8.6 (6 reviews) | Not enough data | 

### Container Engine

| Product | Score | Reviews |
|---|---|---|
| **Kali Linux** | N/A | N/A |
| **Windows 7** | N/A | N/A |
| **Red Hat Enterprise Linux** | 8.8/10 | 24 |
| **Parrot Security OS** | N/A | N/A |

#### Application Support

| Feature | Kali Linux | Windows 7 | Red Hat Enterprise Linux | Parrot Security OS | 
|---|---|---|---|---|
| **Deployment** | Not enough data | Not enough data | 8.9 (22 reviews) | Not enough data | 
| **Interface support** | Not enough data | Not enough data | 8.7 (22 reviews) | Not enough data | 
| **Processor support** | Not enough data | Not enough data | 8.7 (22 reviews) | Not enough data | 
| **Application Support** | Not enough data | Not enough data | 8.6 (22 reviews) | Not enough data | 

#### System Capability

| Feature | Kali Linux | Windows 7 | Red Hat Enterprise Linux | Parrot Security OS | 
|---|---|---|---|---|
| **Self Healing High Availability** | Not enough data | Not enough data | 8.3 (21 reviews) | Not enough data | 
| **Orchestration** | Not enough data | Not enough data | 8.1 (22 reviews) | Not enough data | 
| **Scalability** | Not enough data | Not enough data | 8.9 (22 reviews) | Not enough data | 

#### Security

| Feature | Kali Linux | Windows 7 | Red Hat Enterprise Linux | Parrot Security OS | 
|---|---|---|---|---|
| **Automatic Security Updates** | Not enough data | Not enough data | 9.1 (20 reviews) | Not enough data | 
| **Security updates** | Not enough data | Not enough data | 9.3 (22 reviews) | Not enough data | 

### Operating System

| Product | Score | Reviews |
|---|---|---|
| **Kali Linux** | 8.1/10 | 47 |
| **Windows 7** | 8.5/10 | 55 |
| **Red Hat Enterprise Linux** | 8.2/10 | 33 |
| **Parrot Security OS** | 7.7/10 | 8 |

#### Memory Management - Operating System

| Feature | Kali Linux | Windows 7 | Red Hat Enterprise Linux | Parrot Security OS | 
|---|---|---|---|---|
| **RAM management** | 8.4 (37 reviews) | 8.5 (44 reviews) | 8.6 (23 reviews) | 8.6 (6 reviews) | 

#### Device Management - Operating System

| Feature | Kali Linux | Windows 7 | Red Hat Enterprise Linux | Parrot Security OS | 
|---|---|---|---|---|
| **I/O management** | 7.7 (40 reviews) | 8.8 (43 reviews) | 8.5 (24 reviews) | Not enough data | 

#### Backup and Recovery - Operating System

| Feature | Kali Linux | Windows 7 | Red Hat Enterprise Linux | Parrot Security OS | 
|---|---|---|---|---|
| **Data backup** | 7.8 (36 reviews) | 8.7 (37 reviews) | 7.5 (23 reviews) | Not enough data | 

#### Error Detection - Operating System

| Feature | Kali Linux | Windows 7 | Red Hat Enterprise Linux | Parrot Security OS | 
|---|---|---|---|---|
| **System operations monitoring** | 8.6 (42 reviews) | 8.0 (40 reviews) | 8.2 (30 reviews) | 6.7 (6 reviews) | 

### IoT Operating Systems

| Product | Score | Reviews |
|---|---|---|
| **Kali Linux** | N/A | N/A |
| **Windows 7** | N/A | N/A |
| **Red Hat Enterprise Linux** | 8.2/10 | 9 |
| **Parrot Security OS** | N/A | N/A |

#### Security

| Feature | Kali Linux | Windows 7 | Red Hat Enterprise Linux | Parrot Security OS | 
|---|---|---|---|---|
| **Access Controls** | Not enough data | Not enough data | 8.0 (9 reviews) | Not enough data | 
| **Network Security** | Not enough data | Not enough data | 8.5 (8 reviews) | Not enough data | 
| **Compliance** | Not enough data | Not enough data | 8.5 (8 reviews) | Not enough data | 
| **Cryptography** | Not enough data | Not enough data | 8.3 (8 reviews) | Not enough data | 

---
## Categories
**Shared Categories (1):** [Operating Systems](https://www.g2.com/categories/operating-system)



**Unique to Red Hat Enterprise Linux (3):** [IoT Operating Systems](https://www.g2.com/categories/iot-operating-systems), [Server Virtualization Software](https://www.g2.com/categories/server-virtualization), [Container Engine Software](https://www.g2.com/categories/container-engine)

**Unique to Parrot Security OS (1):** [Digital Forensics Software](https://www.g2.com/categories/digital-forensics)


---
## Reviewer Demographics

### By Company Size

| Segment | Kali Linux | Windows 7 | Red Hat Enterprise Linux | Parrot Security OS | 
|---|---|---|---|---|
| **Small-Business** | 56.1% | 34.8% | 19.4% | 65.5% | 
| **Mid-Market** | 29.7% | 33.1% | 29.6% | 18.2% | 
| **Enterprise** | 14.2% | 32.1% | 51.0% | 16.4% | 

### By Industry

#### Kali Linux

- **Information Technology and Services:** 25.2%
- **Computer & Network Security:** 21.4%
- **Computer Software:** 16.0%
- **Computer Networking:** 3.9%
- **Financial Services:** 3.9%
- **Telecommunications:** 2.4%
- **Education Management:** 2.4%
- **Information Services:** 2.4%
- **Higher Education:** 2.4%
- **Banking:** 1.9%
- **Other:** 18.0%

#### Windows 7

- **Information Technology and Services:** 16.8%
- **Computer Software:** 10.3%
- **Higher Education:** 5.0%
- **Education Management:** 4.2%
- **Hospital & Health Care:** 2.8%
- **Telecommunications:** 2.5%
- **Computer & Network Security:** 2.3%
- **Accounting:** 2.1%
- **Banking:** 2.0%
- **Financial Services:** 1.9%
- **Other:** 50.1%

#### Red Hat Enterprise Linux

- **Information Technology and Services:** 20.4%
- **Computer Software:** 11.3%
- **Telecommunications:** 6.5%
- **Financial Services:** 5.8%
- **Computer & Network Security:** 5.0%
- **Banking:** 4.3%
- **Higher Education:** 3.7%
- **Defense & Space:** 3.4%
- **Government Administration:** 2.4%
- **Hospital & Health Care:** 2.1%
- **Other:** 35.1%

#### Parrot Security OS

- **Computer & Network Security:** 38.2%
- **Information Technology and Services:** 21.8%
- **Computer Software:** 9.1%
- **Education Management:** 7.3%
- **Security and Investigations:** 3.6%
- **Manufacturing:** 1.8%
- **Telecommunications:** 1.8%
- **Sports:** 1.8%
- **Retail:** 1.8%
- **Research:** 1.8%
- **Other:** 10.9%

---
## Alternatives

### Alternatives to Kali Linux

- [CentOS](https://www.g2.com/products/centos/reviews) — 4.4/5 stars (425 reviews)
- [Arch](https://www.g2.com/products/arch/reviews) — 4.4/5 stars (42 reviews)
- [BlackArch](https://www.g2.com/products/blackarch/reviews) — 4.3/5 stars (21 reviews)
- [Linux Mint](https://www.g2.com/products/linux-mint/reviews) — 4.5/5 stars (189 reviews)
- [Ubuntu](https://www.g2.com/products/ubuntu/reviews) — 4.5/5 stars (2384 reviews)
- [Windows 11](https://www.g2.com/products/windows-11/reviews) — 4.5/5 stars (4270 reviews)
- [Fedora](https://www.g2.com/products/fedora/reviews) — 4.4/5 stars (211 reviews)
- [Debian](https://www.g2.com/products/debian/reviews) — 4.6/5 stars (218 reviews)
- [Android](https://www.g2.com/products/android/reviews) — 4.6/5 stars (1272 reviews)
- [Chrome OS](https://www.g2.com/products/chrome-os/reviews) — 4.5/5 stars (710 reviews)

### Alternatives to Windows 7

- [Ubuntu](https://www.g2.com/products/ubuntu/reviews) — 4.5/5 stars (2384 reviews)
- [Apple iOS](https://www.g2.com/products/apple-ios/reviews) — 4.6/5 stars (1557 reviews)
- [Android](https://www.g2.com/products/android/reviews) — 4.6/5 stars (1272 reviews)
- [macOS Sierra](https://www.g2.com/products/apple-macos-sierra/reviews) — 4.5/5 stars (482 reviews)
- [CentOS](https://www.g2.com/products/centos/reviews) — 4.4/5 stars (425 reviews)
- [Oracle Linux](https://www.g2.com/products/oracle-linux/reviews) — 4.4/5 stars (345 reviews)
- [Apple OS X El Capitan](https://www.g2.com/products/apple-os-x-el-capitan/reviews) — 4.4/5 stars (262 reviews)
- [Apple OS X Mountain Lion](https://www.g2.com/products/apple-os-x-mountain-lion/reviews) — 4.2/5 stars (220 reviews)
- [Fedora](https://www.g2.com/products/fedora/reviews) — 4.4/5 stars (211 reviews)
- [Debian](https://www.g2.com/products/debian/reviews) — 4.6/5 stars (218 reviews)

### Alternatives to Red Hat Enterprise Linux

- [Ubuntu](https://www.g2.com/products/ubuntu/reviews) — 4.5/5 stars (2384 reviews)
- [Apple iOS](https://www.g2.com/products/apple-ios/reviews) — 4.6/5 stars (1557 reviews)
- [macOS Sierra](https://www.g2.com/products/apple-macos-sierra/reviews) — 4.5/5 stars (482 reviews)
- [CentOS](https://www.g2.com/products/centos/reviews) — 4.4/5 stars (425 reviews)
- [Oracle Linux](https://www.g2.com/products/oracle-linux/reviews) — 4.4/5 stars (345 reviews)
- [Android](https://www.g2.com/products/android/reviews) — 4.6/5 stars (1272 reviews)
- [Debian](https://www.g2.com/products/debian/reviews) — 4.6/5 stars (218 reviews)
- [Fedora](https://www.g2.com/products/fedora/reviews) — 4.4/5 stars (211 reviews)
- [Linux Mint](https://www.g2.com/products/linux-mint/reviews) — 4.5/5 stars (189 reviews)
- [Windows 8](https://www.g2.com/products/windows-8/reviews) — 3.7/5 stars (576 reviews)

### Alternatives to Parrot Security OS

- [Ubuntu](https://www.g2.com/products/ubuntu/reviews) — 4.5/5 stars (2384 reviews)
- [Fedora](https://www.g2.com/products/fedora/reviews) — 4.4/5 stars (211 reviews)
- [Linux Mint](https://www.g2.com/products/linux-mint/reviews) — 4.5/5 stars (189 reviews)
- [Android](https://www.g2.com/products/android/reviews) — 4.6/5 stars (1272 reviews)
- [CentOS](https://www.g2.com/products/centos/reviews) — 4.4/5 stars (425 reviews)
- [Manjaro](https://www.g2.com/products/manjaro/reviews) — 4.5/5 stars (60 reviews)
- [Zorin](https://www.g2.com/products/zorin/reviews) — 4.5/5 stars (46 reviews)
- [Arch](https://www.g2.com/products/arch/reviews) — 4.4/5 stars (42 reviews)
- [FTK Forensic Toolkit](https://www.g2.com/products/ftk-forensic-toolkit/reviews) — 4.4/5 stars (37 reviews)
- [Pop!_OS](https://www.g2.com/products/pop-_os/reviews) — 4.5/5 stars (29 reviews)

---
## Top Discussions

### Kali Linux

- Title: [What Kali Linux can do?](https://www.g2.com/discussions/what-kali-linux-can-do) — 4 comments, 1 upvote
  > **Top comment:** "make hacking so easy"
- Title: [GRE Classes In Pune](https://www.g2.com/discussions/gre-classes-in-pune-d91fc12d-083b-4ad3-a34b-2eb32ad569ad) — 4 comments
  > **Top comment:** "https://www.sevenmentor.com/gre-classes-in-pune.php"
- Title: [Why is Kali Linux illegal?](https://www.g2.com/discussions/why-is-kali-linux-illegal) — 3 comments
  > **Top comment:** "I don't think it's illegal at all. It's just a operating system"
- Title: [Why Hackers use Kali Linux?](https://www.g2.com/discussions/why-hackers-use-kali-linux) — 3 comments
  > **Top comment:** "In addition to being a free, practical, and highly secure Linux operating system, Kali Linux comes with over 600 tools for data security. Due to its..."
- Title: [How do I update my kali linux os form the terminal](https://www.g2.com/discussions/how-do-i-update-my-kali-linux-os-form-the-terminal) — 3 comments, 2 upvotes
  > **Top comment:** "sudo apt-get -y update & apt-get upgrade"

### Windows 7

- Title: [What is Windows 7 used for?](https://www.g2.com/discussions/what-is-windows-7-used-for) — 3 comments, 2 upvotes
  > **Top comment:** "its use for Personal and office Desktop "
- Title: [how to find computer specs windows 7](https://www.g2.com/discussions/how-to-find-computer-specs-windows-7) — 3 comments
  > **Top comment:** "Hey Clara, there's a few ways you can do this on Windows 7! The fastest way you can find your computer specs is by pressing Windows+R (the "run" command),..."
- Title: [Do you think Microsoft will extend support for Windows 7 after January 14, 2020?](https://www.g2.com/discussions/do-you-think-microsoft-will-extend-support-for-windows-7-after-january-14-2020) — 3 comments, 1 upvote
  > **Top comment:** "Hey, good question! It's difficult to say where Microsoft will draw a hard line on when they stop supporting Windows 7. Per their product lifecycle page..."
- Title: [Support for Windows 7](https://www.g2.com/discussions/12026-support-for-windows-7) — 3 comments, 1 upvote
  > **Top comment:** "In my opinion, I believe it will not affect the market even though many users use this operating system. The current technical support is quite..."
- Title: [I am using dell vostro 1550 laptop with windows 7 home basic version. can I upgrade my system to windows 10 version?](https://www.g2.com/discussions/windows-7-i-am-using-dell-vostro-1550-laptop-with-windows-7-home-basic-version-can-i-upgrade-my-system-to-wind) — 2 comments, 1 upvote
  > **Top comment:** "Yes, you can use Windows 10."

### Red Hat Enterprise Linux

- Title: [What in RHEL you guys love?](https://www.g2.com/discussions/35917-what-in-rhel-you-guys-love) — 4 comments, 2 upvotes
  > **Top comment:** "Stability, Security, Lifeycle, World class Support "
- Title: [Why should I use Red Hat Linux?](https://www.g2.com/discussions/why-should-i-use-red-hat-linux) — 1 comment
  > **Top comment:** "If you are looking for a stable, reliable, and secure operating system, then Red Hat Linux is a great choice. Google uses Red Hat Enterprise Linux to power..."
- Title: [What is Red Hat Enterprise Linux used for?](https://www.g2.com/discussions/red-hat-enterprise-linux-what-is-red-hat-enterprise-linux-used-for-19dd5271-6d29-4249-956f-b8dc44f0ce30) — 1 comment
  > **Top comment:** "It is an Operating System"
- Title: [What are the six key features of Red Hat Enterprise Linux?](https://www.g2.com/discussions/what-are-the-six-key-features-of-red-hat-enterprise-linux) — 1 comment
  > **Top comment:** "Lightweight
cost-effective with enterprise licensing
easy to use
most of the software is compatible
most acceptable OS
multiple option for Administrators
"
- Title: [What is Red Hat Enterprise Linux used for?](https://www.g2.com/discussions/red-hat-enterprise-linux-what-is-red-hat-enterprise-linux-used-for) — 1 comment
  > **Top comment:** "RedHat is an organization that comes up with products like Linux bundles, cloud computing components, middleware products, cloud management tools, and..."

### Parrot Security OS

- Title: [What tools does Parrot OS have?](https://www.g2.com/discussions/what-tools-does-parrot-os-have) — 2 comments
  > **Top comment:** "1. Penetration Testing Tools: Parrot OS offers a comprehensive set of penetration testing tools, including popular ones like Metasploit, Wireshark, Nmap,..."
- Title: [How many tools does parrot security have?](https://www.g2.com/discussions/how-many-tools-does-parrot-security-have) — 2 comments
  > **Top comment:** "There is no fixed number. It comes pre-installed with a list of tools, to which you can add others. "
- Title: [Is Parrot OS a good OS?](https://www.g2.com/discussions/is-parrot-os-a-good-os) — 2 comments
  > **Top comment:** "It's a great OS. continue update, community support, compatibility and others features"
- Title: [can i use this for hacking.](https://www.g2.com/discussions/can-i-use-this-for-hacking) — 2 comments, 1 upvote
  > **Top comment:** "Yes. You can use for hacking. Just remember their are legal ramifications when certain boundaries are crossed. But personally I use Parrot OS purely for..."
- Title: [What can Parrot OS do?](https://www.g2.com/discussions/what-can-parrot-os-do) — 1 comment
  > **Top comment:** "Parrot OS is one of the best operating systems. If you like Debian. You will feel at home. But it gives you so much choices and options. Helpful articles to..."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/kali-linux-vs-windows-7-vs-red-hat-enterprise-linux-vs-parrot-security-os)