4

I'm very new to Ubuntu. If I do this sort of command say:

cp file1 file2

The shell creates a child process and that child process will call cp, which in turn call exec system call of operating system.

Are there any command to visualize this process from my terminal?

5

Just like strace traces the system calls, you can use ltrace to trace library calls.

6

strace will show system calls made by a process. It won't give you an instruction-by-instruction view of what happens, but it will give the calls into the kernel performed.

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