Contributed a Linux-specific enhancement to the ziglang/zig repository by implementing the sigdelset function in the Zig standard library, enabling removal of signals from a signal set for improved signal management on Linux systems. Focused on library development and system programming, the work addressed API completeness for signal handling and reduced boilerplate for applications requiring precise signal control. The implementation leveraged Zig and in-depth knowledge of Linux signal APIs to provide a more reliable and maintainable interface for developers. This targeted feature improved the usability of signal sets in system-level software, reflecting a thoughtful approach to cross-platform library design.