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Creating Directory
05-17-2010
mkdir -p $dir
dir="/home/somedirectory"
dir="./somedirectory"
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mkdir(1) User Commands mkdir(1) NAME
mkdir - make directories SYNOPSIS
mkdir [-m mode] [-p] dir... DESCRIPTION
The mkdir command creates the named directories in mode 777 (possibly altered by the file mode creation mask umask(1)). Standard entries in a directory (for instance, the files ".", for the directory itself, and "..", for its parent) are made automatically. mkdir cannot create these entries by name. Creation of a directory requires write permission in the parent directory. The owner-ID and group-ID of the new directories are set to the process's effective user-ID and group-ID, respectively. mkdir calls the mkdir(2) system call. setgid and mkdir To change the setgid bit on a newly created directory, you must use chmod g+s or chmod g-s after executing mkdir. The setgid bit setting is inherited from the parent directory. OPTIONS
The following options are supported: -m mode This option allows users to specify the mode to be used for new directories. Choices for modes can be found in chmod(1). -p With this option, mkdir creates dir by creating all the non-existing parent directories first. The mode given to intermedi- ate directories will be the difference between 777 and the bits set in the file mode creation mask. The difference, how- ever, must be at least 300 (write and execute permission for the user). OPERANDS
The following operand is supported: dir A path name of a directory to be created. USAGE
See largefile(5) for the description of the behavior of mkdir when encountering files greater than or equal to 2 Gbyte ( 2**31 bytes). EXAMPLES
Example 1: Using mkdir The following example: example% mkdir -p ltr/jd/jan creates the subdirectory structure ltr/jd/jan. ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables that affect the execution of mkdir: LANG, LC_ALL, LC_CTYPE, LC_MES- SAGES, and NLSPATH. EXIT STATUS
The following exit values are returned: 0 All the specified directories were created successfully or the -p option was specified and all the specified directories now exist. >0 An error occurred. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ |CSI |enabled | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ SEE ALSO
rm(1), sh(1), umask(1), intro(2), mkdir(2), attributes(5), environ(5), largefile(5), standards(5) SunOS 5.10 1 Feb 1995 mkdir(1)