Linux Commands?

Question

What chmod command would you use to impose the following permissions?

a) On a directory such that the owner would have read, write and execute permissions; and others would only have read permission.
b) On a file such that the owner would have read and write; the group would have no permissions; and others would only have write.
c) On a file such that the owner would have write; the group would have read, write, and execute; and others would have read and write.
d) On a file such that the owner would have read and execute; the group would have read, write, and execute; and others would have execute.
e) On a directory such that the owner would have execute; the group would have read and write; and others would have no permissions.
f) On a directory such that the owner would have write; the group would have read, write, and execute; and others would have read, write, and execute.

i'm some what new to Linux and i need to know EXACT lines to type for each one.

Answer 1

For all the above you can use:
man chmod

Answer 2

you don't say what version of Linux you're using
The best place to find out all the things you need to know is go to the user groups and forum for the version of linux you have

so do a web search for (ubuntu) linux+user groups+forums

check out the links below

Answer 3

hey man are you taking a test? Go find it your self chmod and chown for permissions

Answer 4

hm....use linuxfaq.org