06-24-2013
SELinux security contexts are extended attributes stored with all kinds of filesystem objects, If you disable SELinux, the attributes are still on disk, they are just not used for checking.
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LEARN ABOUT LINUX
lremovexattr
REMOVEXATTR(2) Linux Programmer's Manual REMOVEXATTR(2)
NAME
removexattr, lremovexattr, fremovexattr - remove an extended attribute
SYNOPSIS
#include <sys/types.h>
#include <sys/xattr.h>
int removexattr(const char *path, const char *name);
int lremovexattr(const char *path, const char *name);
int fremovexattr(int fd, const char *name);
DESCRIPTION
Extended attributes are name:value pairs associated with inodes (files, directories, symbolic links, etc.). They are extensions to the
normal attributes which are associated with all inodes in the system (i.e., the stat(2) data). A complete overview of extended attributes
concepts can be found in attr(5).
removexattr() removes the extended attribute identified by name and associated with the given path in the filesystem.
lremovexattr() is identical to removexattr(), except in the case of a symbolic link, where the extended attribute is removed from the link
itself, not the file that it refers to.
fremovexattr() is identical to removexattr(), only the extended attribute is removed from the open file referred to by fd (as returned by
open(2)) in place of path.
An extended attribute name is a null-terminated string. The name includes a namespace prefix; there may be several, disjoint namespaces
associated with an individual inode.
RETURN VALUE
On success, zero is returned. On failure, -1 is returned and errno is set appropriately.
ERRORS
ENOATTR
The named attribute does not exist. (ENOATTR is defined to be a synonym for ENODATA in <attr/xattr.h>.)
ENOTSUP
Extended attributes are not supported by the filesystem, or are disabled.
In addition, the errors documented in stat(2) can also occur.
VERSIONS
These system calls have been available on Linux since kernel 2.4; glibc support is provided since version 2.3.
CONFORMING TO
These system calls are Linux-specific.
SEE ALSO
getfattr(1), setfattr(1), getxattr(2), listxattr(2), open(2), setxattr(2), stat(2), attr(5), symlink(7)
Linux 2014-02-06 REMOVEXATTR(2)