red23jordan's questions

Since I do not want to pay money for my testing, the free limit size is 10G.
I can know the root device root for some default AMI such as

Amazon Linux AMI 2012.03
The Amazon Linux AMI 2012.03 is an EBS-backed, PV-GRUB image. It includes Linux 3.2, AWS tools, and repository access to multiple versions of MySQL, PostgreSQL, Python, Ruby, and Tomcat.
Root Device Size: 8 GB

And the last row displayed 8GB.
However, if I find AMI in Community Page, it does not show the root device size.
Can anyone know how to use the instance such as centOS that is not provided by default but it is under 10GB so that I can still free use?

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1) How can I login amazon ec2 with root directly in putty??

each time i need to su - root first and change to root...is there any other ways??

2) How can I login amazon ec2 with root directly in winscp or filezilla??

since i want to "push" the file to some directly from my computer, but i cannot do this (e.g.create dir when login with ec2-user)