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- acl_cmp(3)
- compare between two ACLs
- acl_extended_file_np(3), acl_extended_file_nofollow_np(3), acl_extended_link_np(3)
- checks if the file has extended ACLs set
- acltool(1)
- manipulate NFSv4 and ZFS ACLs
- clsync(1)
- live sync tool, written in GNU C