🔢Utilities
UNIX umask Calculator
Convert between umask (3-4 octal digits) and resulting permissions for files (666 base) and directories (777 base). Includes symbolic notation.
Interpretar como:
Fórmula: perm = base & ~umask. Base de arquivos = 666 (rw para todos, sem execução). Base de diretórios = 777. Suporta o sticky/setuid/setgid via 4º dígito (raramente usado em umask).
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