We present the design, implementation, and evaluation of SysXCHG: a system call (syscall)
filtering enforcement mechanism that enables programs to run in accordance with the …

Incremental builds are commonly employed in software development, involving minor
changes to existing source code that is then frequently recompiled. Speeding up …

Despite its long-standing popularity and fundamental role in an operating system, the Unix
shell has rarely been a subject of academic research. In particular, regardless of the …

Shell scripting remains prevalent for automation and data-processing tasks, partly due to its
dynamic features—eg, expansion, substitution—and language agnosticism—ie, the ability to …

Shell scripts are critical infrastructure for developers, administrators, and scientists; and
ought to enjoy the performance benefits of the full suite of advances in compiler …

In the past several years, the shell has received renewed interest from the research
community. This thesis describes the work I did to advance the performance and capabilities …