mkdir - make directories
mkdir [-p] [-m mode] directory_name ...
The mkdir(1) utility creates the directories named as
operands, in the order specified, using mode rwxrwxrwx
(0777) as modified by the current umask(1).
The options are as follows:
a=rwx
.rwxrwxrwx
(0777) as modified by the current umask, as
well as write-and-search permission for the owner.The user must have write permission in the parent directory.
The mkdir(1) utility exits 0 if successful, and >0 if an error occurred.
rm(1)
rmdir(1)
umask(1)