-sni (Store NT security information) switch



Use this switch to store and restore NT (NTFS) security information for files and directories. Note that only NTFS file system supports that feature.

Current version of 7-Zip can store NT security information only to WIM archives.


7z a a.wim -sni *.txt

stores txt files with NT security information.

7z x a.wim -sni

unpacks a.wim and restores NT security information.

Commands that can be used with this switch

a (Add), e (Extract), u (Update), x (Extract with full paths)

See also

Switches: -sns