New files inherit directory group.

Section: Special Permission Bits

Set setgid on directory

bash
bash
chmod g+s shared-dir

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Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Related commands

Same sheet · prioritizing Special Permission Bits
Set sticky bit on directory
Allow only owners/root to delete their own files.
OpenIn sheetbashsame section
Set setuid bit
Set executable to run with owner's effective UID.
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Change permissions recursively
Apply mode changes to a directory tree.
OpenIn sheetbash2 tag match
Add execute permission for user
Grant user execute permission.
OpenIn sheetbash1 tag match
Set file to 644
Common mode for normal text or config files.
OpenIn sheetbash1 tag match
Set file or directory to 755
Common executable/script or directory mode.
OpenIn sheetbash1 tag match