Folder Lock in Commands Prompt || Locking & Hiding Folders || Make Folder Inaccessible and Undeletable

METHOD 1: 

Hide the folders using the attrib command. 

SYNTAX:To Hide:   attrib +s +h +r pathandfilename

To View:  attrib -s -h -r pathandfilename

s->System File

h->Hidden File

r->Read Only File

EXAMPLE:

Again suppose i want to hide a folder named IMP INFO(located in D drive), then:

attrib +s +h +r "D:\IMP INFO"

And to show the folder type:

attrib -s -h -r "D:\IMP INFO"

METHOD 2:

Make Folder Inaccessible and Undeletable

Lock the folders using the CACLS command, if two or more user account exists. CACLS command displays or modifies access control lists (ACLs) of files.

SYNTAX:

CACLS filename [/T] [/E] [/C] [/G user:perm] [/R user [...]]

               [/P user:perm [...]] [/D user [...]]

   filename      Displays ACLs.

   /T            Changes ACLs of specified files in

                 the current directory and all subdirectories.

   /E            Edit ACL instead of replacing it.

   /C            Continue on access denied errors.

   /G user:perm  Grant specified user access rights.

                 Perm can be: R  Read

                              W  Write

                              C  Change (write)

                              F  Full control

   /R user       Revoke specified user's access rights (only valid with /E).

   /P user:perm  Replace specified user's access rights.

                 Perm can be: N  None

                              R  Read

                              W  Write

                              C  Change (write)

                              F  Full control

   /D user       Deny specified user access.

Wildcards can be used to specify more that one file in a command.

You can specify more than one user in a command.

Abbreviations:

   CI - Container Inherit.

        The ACE will be inherited by directories.

   OI - Object Inherit.

        The ACE will be inherited by files.

   IO - Inherit Only.

        The ACE does not apply to the current file/directory.

EXAMPLE: Open command Prompt. Suppose i want to lock a folder named IMP INFO(located in D drive) and don't want the user account named USER to access the folder then, my command will be:

CACLS "D:\IMP INFO" /E /P USER:N

And if i wish to remove the restrictions, then my command will be:

CACLS "D:\IMP INFO" /E /P USER:F

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