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+<TITLE>mkdir</TITLE>
+<body bgcolor="#ffffcc">
+<hr>
+<pre>
+
+
+
+<h3>MKDIR(2) Linux Programmer's Manual MKDIR(2)
+</h3>
+
+<h3>NAME
+</h3> mkdir - create a directory
+
+<h3>SYNOPSIS
+</h3> #include &lt;sys/types.h&gt;
+ #include &lt;fcntl.h&gt;
+ #include &lt;unistd.h&gt;
+
+ int mkdir(const char *pathname, mode_t mode);
+
+<h3>DESCRIPTION
+</h3> mkdir attempts to create a directory named pathname.
+
+ mode specifies the permissions to use. It is modified by
+ the process's umask in the usual way: the permissions of
+ the created file are (mode & ~umask).
+
+ The newly created directory will be owned by the effective
+ uid of the process. If the directory containing the file
+ has the set group id bit set, or if the filesystem is
+ mounted with BSD group semantics, the new directory will
+ inherit the group ownership from its parent; otherwise it
+ will be owned by the effective gid of the process.
+
+ If the parent directory has the set group id bit set then
+ so will the newly created directory.
+
+
+<h3>RETURN VALUE
+</h3> mkdir returns zero on success, or -1 if an error occurred
+ (in which case, errno is set appropriately).
+
+<h3>ERRORS
+</h3> EEXIST pathname already exists (not necessarily as a
+ directory).
+
+ EFAULT pathname points outside your accessible address
+ space.
+
+ EACCES The parent directory does not allow write permis-
+ sion to the process, or one of the directories in
+ pathname did not allow search (execute) permission.
+
+ ENAMETOOLONG
+ pathname was too long.
+
+ ENOENT A directory component in pathname does not exist or
+ is a dangling symbolic link.
+
+ ENOTDIR
+ A component used as a directory in pathname is not,
+ in fact, a directory.
+
+ ENOMEM Insufficient kernel memory was available.
+
+
+
+<h3>Linux 1.0 29 March 1994 1
+</h3>
+
+
+
+
+<h3>MKDIR(2) Linux Programmer's Manual MKDIR(2)
+</h3>
+
+ EROFS pathname refers to a file on a read-only filesystem
+ and write access was requested.
+
+ ELOOP pathname contains a reference to a circular sym-
+ bolic link, ie a symbolic link whose expansion con-
+ tains a reference to itself.
+
+ 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.
+
+<h3>CONFORMING TO
+</h3><h3>BUGS
+</h3> In some older versions of Linux (for example, 0.99pl7) all
+ the normal filesystems sometime allow the creation of two
+ files in the same directory with the same name. This
+ occurs only rarely and only on a heavily loaded system.
+ It is believed that this bug was fixed in the Minix
+ filesystem in Linux 0.99pl8 pre-release; and it is hoped
+ that it was fixed in the other filesystems shortly after-
+ wards.
+
+ There are many infelicities in the protocol underlying
+ NFS.
+
+</pre>
+<hr>
+<h3>SEE ALSO
+</h3><p>
+<a href=read.htm>read</a>,
+<a href=write.htm>write</a>,
+<a href=fcntl.htm>fcntl</a>,
+<a href=close.htm>close</a>,
+<a href=unlink.htm>unlink</a>,
+<a href=open.htm>open</a>,
+<a href=mknod.htm>mknod</a>,
+<a href=stat.htm>stat</a>,
+<a href=umask.htm>umask</a>,
+<a href=mount.htm>mount</a>,
+<a href=socket.htm>socket</a>,
+<a href=socket.htm>socket</a>,
+<pre>
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+<h3>Linux 1.0 29 March 1994 2
+</h3>
+
+ </pre>
+<P>
+<hr>
+<p>
+<center>
+<table border=2 width=80%>
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+
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