Home abi bus cachefiles coda crypto csky debug dev fs kernel net s390 s390dbf sunrpc user vm xen xpc

xattr

file: /proc/sys/user/xattr
variable: user.xattr
Official reference

The “-o userxattr” mount option forces overlayfs to use the “user.overlay.” xattr namespace instead of “trusted.overlay.”. This is useful for unprivileged mounting of overlayfs.

man/info ubuntu man lkml redhat kb github google source

Last update: 2026-03-30 12:00:00 UTC
Parsed kernel version 6.18 from git

Sysctl Explorer is available under the GPL-2.0.
Kernel documentation © the Linux kernel authors.
Linux® is a registered trademark of Linus Torvalds.

Updated by Ilya Vasilyev aka Nadz Goldman from Arviol ( vStack dep. ), ITG