To create a new directory we use the command mkdir. Both root and normal users can create directories.
When a directory is created it becomes propertie of de user that created it. Groups has only read access and others none when crated by a normal user.
[root@server1 ~]# mkdir test
[root@server1 ~]# mkdir --help SYNOPSIS mkdir [OPTION]... DIRECTORY... DESCRIPTION Create the DIRECTORY(ies), if they do not already exist. Mandatory arguments to long options are mandatory for short options too. -m, --mode=MODE set file mode (as in chmod), not a=rwx - umask -p, --parents no error if existing, make parent directories as needed -v, --verbose print a message for each created directory -Z, --context=CTX set the SELinux security context of each created directory to CTX --help display this help and exit --version output version information and exit