mkdir

[linuxstudy@xxxx ~]$ ls -l | grep dira
[linuxstudy@xxxx ~]$ mkdir dira/dirb
mkdir: ディレクトリ `dira/dirb' を作成できません: そのようなファイルやディレクトリはありません
[linuxstudy@xxxx ~]$ mkdir -p dira/dirb

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.

       -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     set SELinux security context of each created  directory  to  the
              default type

       --context[=CTX]
              like  -Z,  or  if CTX is specified then set the SELinux or SMACK
              security context to CTX

       --help display this help and exit

       --version
              output version information and exit

       GNU  coreutils  online  help:  <http://www.gnu.org/software/coreutils/>
       Report mkdir translation bugs to <http://translationproject.org/team/>

AUTHOR
       Written by David MacKenzie.

COPYRIGHT
       Copyright  ©  2013  Free Software Foundation, Inc.  License GPLv3+: GNU
       GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free  to  change  and  redistribute  it.
       There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
       mkdir(2)

       The full documentation for mkdir is maintained as a Texinfo manual.  If
       the info and mkdir programs are properly installed at  your  site,  the
       command

              info coreutils 'mkdir invocation'

       should give you access to the complete manual.



GNU coreutils 8.22               November 2020                        MKDIR(1)```