500+ quant interview questions for Jane Street, Citadel, Two Sigma, DE Shaw, and other top quantitative finance firms.
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Difficulty: Medium
Category: systems
Practice quant interview questions from top firms including Jane Street, Citadel, Two Sigma, DE Shaw, and other leading quantitative finance companies.
Topics: systems, process-management, c++, state-machine
In high-frequency trading (HFT) and quantitative finance, trading engines and market data feed handlers are typically deployed as long-running background processes (daemons). These processes must be completely detached from the controlling terminal to prevent accidental termination (e.g., when an SSH session drops) and to ensure they run reliably in the background. Proper daemonization also involves setting correct file permissions and working directories to avoid blocking unmounts. Task Implem
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