Permission String Flashcards
1
Q
Owner Permissions
A
Determine what the file’s owner can do with the file
2
Q
World or Other Permissions
A
Determine what users who are not the file owner or members of its group can do with the file
3
Q
Group Permissions
A
Determine what members of a group can do with the file
4
Q
Execute permission type
A
Can run as a program
5
Q
Permission string 3-digit Octal Code
A
- Numerical representation of permissions 0 to 7
- Starting with value of 0 and add a certain number based o the permissions
6
Q
What octal code number represents execute permissions
A
1
7
Q
What octal code number represents write permissions
A
2
8
Q
What octal code number represents read permissions
A
4
9
Q
Permission on symbolic links are always
A
777
10
Q
File Type Code
A
Represents the file’s type and is often omitted from descriptions when the file type is not relevant
11
Q
Types of File Type Code
A
- (-) normal data file
- (d) Directory disk
- (|) Symbolic link
- (p) named pipe
- (s) socket
- (b) block device
- (c) character device
12
Q
Parts of the permission string
A
- File Type Code
- Owner Permissions
- Group Permissions
- World or Other Permissions
13
Q
Directory execute bit
A
- Special bit that can be turned on or off
- Can grant or deny permission to search the directory
14
Q
User Mask (umask command)
A
- Determines default permission for new files
- Directory files default 777
- Non-directory files default 666
- Default can be changed
