A virus is a type of malware that can infect your Mac and damage your files or steal your personal information. It is important to keep your Mac protected from viruses by using a good antivirus program and keeping your software up to date. There are a few different ways to check your Mac for viruses, including using a command-line tool or a third-party antivirus program.
There are a few different reasons why you should check your Mac for viruses. First, viruses can damage your files and cause your Mac to run slowly or crash. Second, viruses can steal your personal information, such as your passwords and credit card numbers. Third, viruses can spread to other Macs on your network, so it is important to keep your Mac protected to prevent the spread of infection.