Set or display file creation permission mask. Use for controlling default file permissions on new files and directories.
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Install skill "umask-tool" with this command: npx skills add dinghaibin/umask-tool
Set the file mode creation mask which determines default permissions for newly created files and directories. The mask subtracts permissions from the default 666 (files) or 777 (directories).
umask-tool [options] [mask]
# Show current mask
umask-tool
# Set restrictive mask (files: 600, dirs: 700)
umask-tool 077
# Set permissive mask (files: 644, dirs: 755)
umask-tool 022
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