11-04-2010
Unix filesystems do not have a create date for files. There are a few oddball linux filesystems that have it.
There are three filetimes:
ls -c [filename] the last time file metadata changed (permissions, etc)
ls -u [filename] last access
ls -l or ls -t [filename] last time the file changed
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MKDIR(2) System Calls Manual MKDIR(2)
NAME
mkdir - make a directory file
SYNOPSIS
#include <sys/types.h>
#include <sys/stat.h>
int mkdir(const char *path, mode_t mode)
DESCRIPTION
Mkdir creates a new directory file with name path. The mode of the new file is initialized from mode. (The protection part of the mode is
modified by the process's mode mask; see umask(2)).
The directory's owner ID is set to the process's effective user ID. The directory's group ID is set to that of the parent directory in
which it is created.
The low-order 9 bits of mode are modified by the process's file mode creation mask: all bits set in the process's file mode creation mask
are cleared. See umask(2).
RETURN VALUE
A 0 return value indicates success. A -1 return value indicates an error, and an error code is stored in errno.
ERRORS
Mkdir will fail and no directory will be created if:
[ENOTDIR] A component of the path prefix is not a directory.
[ENAMETOOLONG] The path name exceeds PATH_MAX characters.
[ENOENT] A component of the path prefix does not exist.
[EACCES] Search permission is denied for a component of the path prefix.
[ELOOP] Too many symbolic links were encountered in translating the pathname. (Minix-vmd)
[EROFS] The named file resides on a read-only file system.
[EEXIST] The named file exists.
[ENOSPC] The directory in which the entry for the new directory is being placed cannot be extended because there is no space left on
the file system containing the directory.
[ENOSPC] The new directory cannot be created because there there is no space left on the file system that will contain the directory.
[ENOSPC] There are no free inodes on the file system on which the directory is being created.
[EIO] An I/O error occurred while making the directory entry or allocating the inode.
[EIO] An I/O error occurred while reading from or writing to the file system.
[EFAULT] Path points outside the process's allocated address space.
SEE ALSO
chmod(2), stat(2), umask(2).
4.2 Berkeley Distribution August 26, 1985 MKDIR(2)