I often ask why Linux and Mac do not need anti-virus programs unlike Windows? Very good question. It is common to hear that Linux or Mac is one of the most protected systems to use anti-virus. While Windows is very necessary use a protection program even if you are an expert in protection. Because of the security threats surrounding Microsoft systems, what is the reason?
Some people may think it is related to the popularity of Windows. More popular systems are therefore more vulnerable to security threats than Windows, so you should use anti - virus. But believe me it 's far beyond that, since Windows, despite its reputation in the field of operating systems, remains more popular when Linux is talking about servers. Therefore, the difference is not as the majority believes it has to do with fame, but the reason is attributed to several points:
System architecture: Linux architecture makes the latter protect itself from malware attacks. Routine permissions (Windows is the most powerful in Linux, and Windows when we talk about system administrator) are very difficult for malware, so they can not To cause any real harm to the Linux operating system and this is due to the system of powers in the latter. Where the power settings are divided into three main sections:
First: user privileges itself (User permission)
Second: Group Permission
Third: Powers of other individuals who may or may not have direct access to the system (Everyone Else's Permisiion)
As a result also can be divided powers of files as I mentioned in the total of modern to three types are respectively:
1 - Read permission and symbolizes the letter r
2 - write permission and the letter w
3. Execute permission and the letter x
Thus, even if a virus is infected with the system, it remains subject to the authority of the system user. So if you remember in a previous post: Be careful not to get the powers of routine in your phones. I said that it is very dangerous to get the powers of routine in Android phones because it is built on Linux and in the event of any congestion of the virus and you have the powers of routine will be the end of the phone for a while.
How software evolves:
There is a very big difference between Windows and Linux in the way the software evolves. If the software is different in Windows, it is by downloading EXE, MSI, and DMG files, and it is adopted by using the files in Windows for each extension. Here viruses find their chance to cling to order because they are from unknown sources! Unlike Linux it is deliberately on a packet management system such as APT and YUM where the software download source is safe and reliable.
And, of course, because Mac may not have a lot of different structure on the Mac, the latter also remains safe and non-binding you to use an anti-virus program. So we've made it clear why you do not need to use antivirus programs on Linux and Mac
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