I am a mathematician who provides knowledge and consulting in Unix operating systems (particularly Solaris, SunOS, and Linux) and computer and network security. I also provide background knowledge in the X Window System, Unix applications, PostScript, and the TeX text processing system.

I am on leave (now rather permanent) from the PhD program at DePaul University, where I was working in Mathematical Foundations of Programming Languages, possibly involving the specification of a core calculus for a class-based, distributed, concurrent language.

I am retired from Exelon Corporation, formerly Commonwealth Edison Company.

• Primary: ethoele@comcast.net.
• Secondary: ethoele@core.com.

Ed Thoele is a member of the following organizations:

• Association of Computing Machinery (ACM),
• USENIX,
• System Administrators Guild (SAGE) - a Special Interest Group of Usenix,
• American Mathematical Society (AMS) - Emeritus,
• Mathematical Association of America (MAA).

Ed Thoele is a former member of the following organizations:

• IEEE,
• IEEE Computer Society (IEEE-CS),