Unix File Permissions

Shell Programming and Scripting
1

I want to change one of my Dir permissions to drwx--S--- Can you tell me which number i have to use.

Thanks in Advance

2

If you can use the char format, then use

chmod g+s DIRNAME
3

chmod 2700 directory_name

4

Refer the following for more clarification,

5

chmod 2710 <filename>

Try this.