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Understanding Linux file permissions |
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Source: FreeOS.com - Posted by Benjamin D. Thomas
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In a secure multi-user environment like Linux, file permissions access rights are defined. However, these access rights can cause problems for new users who are used to the access-anything style of DOS/Windows. This is a short guide aimed . . .
In a secure multi-user environment like Linux, file permissions access rights are defined. However, these access rights can cause problems for new users who are used to the access-anything style of DOS/Windows. This is a short guide aimed at such novice users that explains the basics and also the commands that are used to manage and administer these permissions. Linux is a proper multi-user environment. In a multi-user environment, security of user and system data is very important. Access should be given only to users who need to access the data. Since Linux is essentially a server OS, good and efficient file security is built right into Linux. Of course, such security does create problems for users, especially novice users. Many user queries are due to incorrect file permissions or just because a user ignores that fact that the file permissions do not allow access. First, let's check out the file permissions. File permissions are defined for users, groups and others. User would be the username that you are logging in as. Further more, users can be organized into groups for better administration and control. Each user will belong to at least one default group. Others includes anyone the above categories exclude.
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