Dalam notasi oktal, nilai permission dihitung dari penjumlahan read=4, write=2, execute=1. Tiga digit utama merepresentasikan owner, group, dan others secara berurutan.
| Nilai | Biner Permission | Simbol | Interpretasi |
| 0 | 000 | — | Tidak ada akses |
| 1 | 001 | –x | Execute |
| 2 | 010 | -w- | Write |
| 3 | 011 | -wx | Write + execute |
| 4 | 100 | r– | Read |
| 5 | 101 | r-x | Read + execute |
| 6 | 110 | rw- | Read + write |
| 7 | 111 | rwx | Read + write + execute |
Contoh perhitungan: chmod 750 aplikasi.sh berarti owner=7 (rwx), group=5 (r-x), others=0 (—).
Continue reading “CHMOD dan CHOWN”