From the course: Linux CentOS 7: Files and Permissions

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File ownership

File ownership - Linux Tutorial

From the course: Linux CentOS 7: Files and Permissions

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File ownership

- [Narrator] Before we can talk about setting permissions, we need to talk about file ownership. A file is owned by exactly one user owner and one group owner. If we do an ls-l on a file, we'll see that the long list includes the file's owners. I'm using a fictitious file name, file.txt as an example. You can do a long list on any file in your OS to see similar data. The user owner is the third column from the left. The group owner is the fourth column. The command we use to change the ownership of a file is called chown. The syntax is chown space, options space, username colon group name space file name. To set the user owner, we just use one name. For instance, chown space bob space file.txt would change the user owner to bob. Keep in mind that in order to change the ownership of a file, you need to either be root or elevate privileges with sudo. To set the group owner, the syntax would be chown, space, colon, the group name, in this case, bobgroup, space, file.txt. To set both the…

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