MKDIR(1)     User Commands               MKDIR(1)

NAME

mkdir - make directories

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.

a.)mandatory [‘mndtri] adj. 强制的；托管的；命令的;

b.)arguments 参数

-m, --mode=MODE

set file mode (as in chmod), not a=rwx - umask

a.)chomod n. 更改文件属性；档案权限，修改文件权限；改变文件存取方式

b.)umask 设置文件权限掩码

fo example:

[[email protected] ~]# mkdir -m 775 c

[[email protected] ~]# ll

[[email protected] ~]# drwxrwxr-x. 2 root root 4096 Nov 26 03:18 c

-p, --parents

no error if existing, make parent directories as needed

such as:

[[email protected] ~]# mkdir -p /data/d/c/b/a

-v, --verbose [v‘bos] 冗长的 详细的

print a message for each created directory

for example:

[[email protected] ~]# mkdir -v /data/abc

mkdir: created directory ‘/data/abc [[email protected] ~]# ll

[[email protected] ~]# drwxrwxr-x. 2 root root 4096 Nov 26 03:18 c

  -z, --context=CTX

                    set the SELinux security context of each created directory to CTX

a.) selinux [Security-Enhanced Linux] security 美 [s‘kjrti]n. 安全；保证；证券；抵押品adj. 安全的；保安的；保密的

b.)Enhanced 美 [n‘hnst]adj. 加强的；增大的v. 提高；加强（enhance的过去分词）

c.)context  美 [‘kɑntkst]n. 环境；上下文；来龙去脉

-z参数不懂,不知道你们是怎么弄明白的,希望能给我举个例子!