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File Permission Planner
Plan Unix permission bits, preview umask effects, and generate cautious shell commands without executing anything.
Preview only. Review ownership, mount boundaries, ACLs, and backups before running commands. Permission changes can expose data or lock out services.
Permission bits
OwnerGroupOtherReadWriteExecute
Special bits
Umask preview
Creation result is requested mode AND NOT umask. Programs may request a more restrictive mode.