mkdir directory_name ...

• Create a directory:
  $ mkdir folder
  
• Create a directory and its sub-directories:
  $ mkdir folder folder/folder1 folder/folder2
  
• Create a directory with a specific permission:
  $ mkdir -m 777 folder

The following options can be used:
-m <mode> |Set the file permission mode of the created directory. |The mode argument can be in any of the formats specified by the chmod command. |If a symbolic mode is specified, the operation characters "+" and "-" are interpreted relative to an initial mode of "a=rwx". -v |Cause mkdir to be verbose, showing files as they are created.