1. What does the command “free” do? 2. What does the command “top” do? 3. What does “vi” do? 4. How would you set permissions to read-write-execute for the file owner, and nothing for anyone else? 5. What command lists the contacts of the current directory? 6. What character means “current user’s home directory? During the phone interview, the tech person asked: what is the key difference between puppet and ansible?
Lots of general questions about C and C++. Inheritance, Polymorphism, etc. Lots of questions from OS and Hardware like describing memory Layout of program, What’s in the stack, heap, bss, text, etc. Where are static variables in memory, what are Semaphores vs Mutex vs Spinlock, What are interrupts in OS, Paging in OS. Why is it useful, What is a cache, where is it?
What do you know about Linux?
Q: Why do you want to work at Datto?
Principales experiencias anteriores que tengan un perfil equivalente
How to run a command on the remote box?
Experience with HPC Linux, puppet, patch management, and on-call support.
How did you handle a difficult situation in the past?
Conocimientos básicos de Linux y otros OS
1. Tell me How your experience fit out needs. 2. How RTOS achieve real time requirement. 3. Diff between mutex and semaphore 4. What is the function call that ISR make at the end when it is done in linux. 5. which one would you use from strD or strP #define strD char* typedef strP char*
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