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mkdir (2)
  • mkdir (1) ( Solaris man: Команды и прикладные программы пользовательского уровня )
  • mkdir (1) ( FreeBSD man: Команды и прикладные программы пользовательского уровня )
  • mkdir (1) ( Русские man: Команды и прикладные программы пользовательского уровня )
  • mkdir (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
  • mkdir (1) ( POSIX man: Команды и прикладные программы пользовательского уровня )
  • mkdir (2) ( Solaris man: Системные вызовы )
  • mkdir (2) ( FreeBSD man: Системные вызовы )
  • mkdir (2) ( Русские man: Системные вызовы )
  • >> mkdir (2) ( Linux man: Системные вызовы )
  • mkdir (3) ( POSIX man: Библиотечные вызовы )
  •  

    NAME

    mkdir - create a directory
     
    

    SYNOPSIS

    #include <sys/stat.h>
    #include <sys/types.h>
    
    int mkdir(const char *pathname, mode_t mode);
    
     

    DESCRIPTION

    mkdir() attempts to create a directory named pathname.

    The argument mode specifies the permissions to use. It is modified by the process's umask in the usual way: the permissions of the created directory are (mode & ~umask & 0777). Other mode bits of the created directory depend on the operating system. For Linux, see below.

    The newly created directory will be owned by the effective user ID of the process. If the directory containing the file has the set-group-ID bit set, or if the file system is mounted with BSD group semantics (mount -o bsdgroups or, synonymously mount -o grpid), the new directory will inherit the group ownership from its parent; otherwise it will be owned by the effective group ID of the process.

    If the parent directory has the set-group-ID bit set then so will the newly created directory.  

    RETURN VALUE

    mkdir() returns zero on success, or -1 if an error occurred (in which case, errno is set appropriately).  

    ERRORS

    EACCES
    The parent directory does not allow write permission to the process, or one of the directories in pathname did not allow search permission. (See also path_resolution(7).)
    EEXIST
    pathname already exists (not necessarily as a directory). This includes the case where pathname is a symbolic link, dangling or not.
    EFAULT
    pathname points outside your accessible address space.
    ELOOP
    Too many symbolic links were encountered in resolving pathname.
    ENAMETOOLONG
    pathname was too long.
    ENOENT
    A directory component in pathname does not exist or is a dangling symbolic link.
    ENOMEM
    Insufficient kernel memory was available.
    ENOSPC
    The device containing pathname has no room for the new directory.
    ENOSPC
    The new directory cannot be created because the user's disk quota is exhausted.
    ENOTDIR
    A component used as a directory in pathname is not, in fact, a directory.
    EPERM
    The file system containing pathname does not support the creation of directories.
    EROFS
    pathname refers to a file on a read-only file system.
     

    CONFORMING TO

    SVr4, BSD, POSIX.1-2001.  

    NOTES

    Under Linux apart from the permission bits, only the S_ISVTX mode bit is honored. That is, under Linux the created directory actually gets mode (mode & ~umask & 01777). See also stat(2).

    There are many infelicities in the protocol underlying NFS. Some of these affect mkdir().  

    SEE ALSO

    mkdir(1), chmod(2), chown(2), mkdirat(2), mknod(2), mount(2), rmdir(2), stat(2), umask(2), unlink(2), path_resolution(7)  

    COLOPHON

    This page is part of release 3.14 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    ERRORS
    CONFORMING TO
    NOTES
    SEE ALSO
    COLOPHON


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