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https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/attrib
Displays, sets, or removes attributes assigned to files or directories. If used without parameters, attrib displays attributes of all files in the current directory.
attrib [{+|-}r] [{+|-}a] [{+|-}s] [{+|-}h] [{+|-}i] [<drive>:][<path>][<filename>] [/s [/d] [/l]]
| Parameter | Description |
|---|---|
{+|-}r |
Sets (+) or clears (–) the Read-only file attribute. |
{+\|-}a |
Sets (+) or clears (–) the Archive file attribute. This attribute set marks files that have changed since the last time they were backed up. Note that the xcopy command uses archive attributes. |
{+\|-}s |
Sets (+) or clears (–) the System file attribute. If a file uses this attribute set, you must clear the attribute before you can change any other attributes for the file. |
{+\|-}h |
Sets (+) or clears (–) the Hidden file attribute. If a file uses this attribute set, you must clear the attribute before you can change any other attributes for the file. |
{+\|-}i |
Sets (+) or clears (–) the Not Content Indexed file attribute. |
[<drive>:][<path>][<filename>] |
Specifies the location and name of the directory, file, or group of files for which you want to display or change attributes.You can use the ? and * wildcard characters in the filename parameter to display or change the attributes for a group of files. |
| /s | Applies attrib and any command-line options to matching files in the current directory and all of its subdirectories. |
| /d | Applies attrib and any command-line options to directories. |
| /l | Applies attrib and any command-line options to the Symbolic Link, rather than the target of the Symbolic Link. |
| /? | Displays help at the command prompt. |
To display the attributes of a file named News86 that is located in the current directory, type:
attrib news86
To assign the Read-only attribute to the file named report.txt, type:
attrib +r report.txt
To remove the Read-only attribute from files in the public directory and its subdirectories on a disk in drive b:, type:
attrib -r b:\public\*.* /s
To set the Archive attribute for all files on drive a:, and then clear the Archive attribute for files with the .bak extension, type:
attrib +a a:*.* & attrib -a a:*.bak