How To Check File Permissions Linux?
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To check the file permissions of a file in Linux, use the ‘ls’ command with the ‘-l’ option. This will list the file permissions of the specified file. For example:
$ ls -l filename
This will display the permissions of the file ‘filename’ in the format:
-rwxrwxr-x 1 username groupname 867 Sep 4 10:22 filename
The first part of the output, ‘-rwxrwxr-x’, are the permissions for the file. The ‘-’ indicates that it is a file, followed by the three sets of permissions for the owner, group, and others. The ‘r’ indicates read permission, ‘w’ indicates write permission, and ‘x’ indicates execute permission.
In this example, the owner has read, write, and execute permissions, the group has read and write permissions, and the others have read and execute permissions.