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Linux Software Engineer Interview Questions

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157 linux software engineer interview questions shared by candidates

C: Difference between fopen and freopen. Error handling in C and unix error codes Malloc and calloc Stack and heap differences Bash: Command to search for pattern at start of the line Use of awk vs grep Wild character for single character Linux: How to deploy a module in kernel? Tool for exploring kconfig in GUI Use of yocto and other builds?
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Linux Developer

Interviewed at Kambi

3.5★
Jun 7, 2021

C: Difference between fopen and freopen. Error handling in C and unix error codes Malloc and calloc Stack and heap differences Bash: Command to search for pattern at start of the line Use of awk vs grep Wild character for single character Linux: How to deploy a module in kernel? Tool for exploring kconfig in GUI Use of yocto and other builds?

they ask about previous work and ask the entire code to be written to show the past work if the work is not in more technical instead of checking your technical skills in the domain (which most companies go for and check if a candidate is skillfull) they simply call off the online interview .
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Embedded Linux Software Engineer

Interviewed at Natrinai Technologies Private

4.4★
Jun 25, 2025

they ask about previous work and ask the entire code to be written to show the past work if the work is not in more technical instead of checking your technical skills in the domain (which most companies go for and check if a candidate is skillfull) they simply call off the online interview .

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