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1,887 support linux interview questions shared by candidates

Since the position is on linux device driver most of the question were from kernel and driver. Questions: - PCI device driver - How a driver is selected to drive a device. - How probing happens for any new device. - Memory cache - DMA Memory(Coherent and Stream) - Interrupt(softirq, tasklet and workque) - Synchronization Primitives(spinlock, mutex) - Producer and Consumer problem - Asked to synchronize a circular buffer. - MMU and IOMMU, etc. - Few questions on single linked list.
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Linux Device Driver

Interviewed at Marvell Technology

4.3★
Feb 17, 2021

Since the position is on linux device driver most of the question were from kernel and driver. Questions: - PCI device driver - How a driver is selected to drive a device. - How probing happens for any new device. - Memory cache - DMA Memory(Coherent and Stream) - Interrupt(softirq, tasklet and workque) - Synchronization Primitives(spinlock, mutex) - Producer and Consumer problem - Asked to synchronize a circular buffer. - MMU and IOMMU, etc. - Few questions on single linked list.

Q1: when we run rm -rf command what happens in backend Q2: while booting kernel is unable to load the file system so how will you trouble shoot it. Q3: Shared the screenshot of output of top command and ask me to explain the terms which i understand Q4: Shared the screenshot of Iostat command output and ask to explain this Q5: your Disk space is full ,so how will you boot in to the os Q6: you have a phone of 4 gb ram and you want to play the game of 6 gb so will you be able to play that game? Q7: questions to define swap memory , Pagging , zombie and orphan process, system calls how it is initated Q8: how will you troubleshoot kernel panic attacks Q9: have you ever face any tuff situation where you have done something out of box thing to solve it
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Cloud Support Engineer(Linux)

Interviewed at Amazon

3.5★
Dec 14, 2023

Q1: when we run rm -rf command what happens in backend Q2: while booting kernel is unable to load the file system so how will you trouble shoot it. Q3: Shared the screenshot of output of top command and ask me to explain the terms which i understand Q4: Shared the screenshot of Iostat command output and ask to explain this Q5: your Disk space is full ,so how will you boot in to the os Q6: you have a phone of 4 gb ram and you want to play the game of 6 gb so will you be able to play that game? Q7: questions to define swap memory , Pagging , zombie and orphan process, system calls how it is initated Q8: how will you troubleshoot kernel panic attacks Q9: have you ever face any tuff situation where you have done something out of box thing to solve it

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