s6-portable-utils
Software
skarnet.org

The s6-chmod program

s6-chmod changes the permissions of a file.

Interface

     s6-chmod perms file

s6-chmod changes file's permissions to perms, which must be an absolute octal number such as 0755 for rwxr-xr-x or 2700 for rwx--S---.

Posixness

s6-chmod is not suitable as a Single Unix chmod program.