From OpenSCADAWiki
Data:
- Masks of the security access (definition):
- SEC_XT — Execution (0x01);
- SEC_WR — Writing (0x02);
- SEC_RD — Reading (0x04).
- Named rights of access to control elements (definition):
- R_R_R_ (0444) — access to all read-only;
- R_R___ (0440) — read access only to the owner and group;
- R_____ (0400) — read access only to the owner;
- _W_W_W (0222) — access to all write-only;
- RWRWRW (0666) — full access to all;
- RWRWR_ (0664) — full access to the owner and group, and for the rest — the read-only;
- RWR_R_ (0644) — full access to the owner and for the group and the rest — the read-only;
- RWR___ (0640) — full access to the owner, read-only — to the group and closed for the rest;
- RW____ (0600) — full access to the owner, but for the group and everyone else is closed.