Specialization Track

Unix / Linux Interview Questions & Answers

Unix / Linux Technical Interview Questions

Medium 5 views

How do SIGTERM and SIGKILL differ when stopping a process?

SIGTERM requests termination and can be handled so the application stops accepting work, finishes or cancels tasks, and releases resources. SIGKILL cannot be caught, blocked, or handled by the process...

Verified Model Solution View Full Answer

Medium 4 views

How do hard links and symbolic links differ?

A hard link is another directory entry referring to the same underlying inode on a filesystem. Removing one name does not remove the data while other links or open references remain. A symbolic link i...

Verified Model Solution View Full Answer

Medium 4 views

A filesystem is full, but deleting a large log does not free space. What could explain it?

A running process may still hold the deleted file open, so its blocks remain allocated until the last relevant reference is closed. Inspect deleted-but-open files with a suitable tool such as lsof whe...

Verified Model Solution View Full Answer

Medium 4 views

How would you schedule a recurring Linux job so two runs do not overlap?

Use an appropriate locking mechanism around the entire protected job, such as flock on a lock file in a directory accessible to the job’s user. Decide whether a second invocation should wait or exit a...

Verified Model Solution View Full Answer

Other Categories

Software Engineering & OOP 8 AI & Machine Learning 12 Data Structures & Algorithms 11 IT Staffing & Recruitment 9 JavaScript & Web Technologies 7 Cybersecurity & InfoSec 7 Python Programming 13 Data Science & Analytics 6 Java 18 Full Stack Web Development 13 SQL & Relational Databases 12 Computer Networks & OS 13 Cloud & DevOps Engineering 6 HR Interview 14 Data Science & Machine Learning 6 General 21 .NET 12 C++ and C 18 Networking 11 Windows 11 Unix / Linux 17 Visual Basic 8 Hardware 13 Database 9 Testing 19 Web Development 12 x86 13 Designing 6 Programming 2 Marketing 1 BPO 3 Customer Support 0 Technical Support 1 CCNA 3 Aptitude 1 FAQ 19 Engineering 3 Manufacturing 2 Backend 0

Practice Placement MCQs

Test your aptitude, quantitative reasoning, and core programming skills under timed conditions.

Start Placement Test