Recently,I learned that the .bss segment stores uninitialized data. However, when I try a small program as below and use size(1) command in terminal, the .bss segment didn't change, even if I add s...

What I know is that global and static variables are stored in the .data segment, and uninitialized data are in the .bss segment. What I don't understand is why do we have dedicated segment for unin...

In short, when I have multiple db sections in my .data section, the compiled addresses/labels are off when compiled by NASM. In my testing they are off by 256 bytes in the resulting Mach-O binary. ...

I read that it depends on the compiler and operating system architecture. How do I find out the data segment and stack max size on a Linux system using GCC as compiler?

In one of the answers to the question "Regarding the bss segment and data segment in Unix", I see the explanation on bss as follows: Bss is special: .bss objects don't take any space in ...