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My question is similar to this:

https://stackoverflow.com/questions/228534/linux-default-file-permission

but there is no scp/ftp client involved and that question looks abandoned. Simply put: I want to be able to, at some global level decree that all newly created files will never have world writable permissions (0775).

I tried putting a umask 02 in /etc/profile then in my bash_profile but it only works for scripts or new files that I create in a shell. It doesn't work for files that another binary creates. Is there anyway to have all new files that are created?

  • It's possible you may be able to do what you want by modifying the mount - either giving it a umask in /etc/fstab (umask=xxxx in the options section, but this is not available for ext*) or by chmod-ing the mountpoint. – Cascabel Oct 1 '09 at 13:49
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    Good description here: superuser.com/questions/318833/… – erikxiv May 1 '12 at 9:54
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What you want is the UMASK setting in the /etc/login.defs file.

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  • The description in my /etc/login.defs says: Umask which is used be useradd and newusers for creating new home directories. Doesn't sound like a global level decree for all services/ processes. – K B Feb 22 '13 at 9:07
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umask is what you want...

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