Sticky bit is on, execution bit for others is on
Suid bit is on, user execution bit is off Mandatory locking, setgid bit is on, group execution bit is off Table 17-7 Setting File Permissions in Symbolic Mode Symbols can specify whose permissions are to be set or changed, the operation to be performed, and the permissions being assigned or changed. The table below lists the symbols for setting file permissions in symbolic mode. Table 17-6 Setting Special Permissions in Absolute Mode The table below lists the octal values to set special permissions on a file. In absolute mode, you set special permissions by adding a new octal value to the left of the permission triplet. You can set special permissions on a file in absolute or symbolic modes. Table 17-5 Setting File Permissions in Absolute Mode
For example, the value 644 sets read/write permissions for owner, and read-only permissions for group and other. You use these numbers in sets of three to set permissions for owner, group, and other (in that order). The table below lists the octal values for setting file permissions in absolute mode. Symbolic Mode - Use combinations of letters and symbols to add or remove permissions. When you change permissions by using the absolute mode, represent permissions for each triplet by an octal mode number. You can use the chmod command to set permissions in either of two modes:Ībsolute Mode - Use numbers to represent file permissions (the method most commonly used to set permissions). You must be superuser or the owner of a file or directory to change its permissions.
The chmod command enables you to change the permissions on a file.
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