How large is the buoyant force acting upwards on a 10-ton ship floating in the ocean?

Which of the following are true regarding Archimedes’ Principle?

What does liquid pressure depend on? Select all that apply. 

Which grep option prints line numbers with matches? 

John has created a directory named “example” with permissions “rwx-wx—” in Linux. John part of the engineering group and is the owner of that directory. Steve is a member of the engineering group. What can Steve do with the example directory? 

Which command merges stdout and stderr into one stream then pipes onward? 

Which command terminates all processes named nginx politely? 

Which command exports a variable which can then be used for child processes? 

Which key combinations saves and exits in nano? 

Which find expression selects directories named log under /var (with depth less than or equal to 2)?