MCS 494, UNIX Security Holes, Fall 2004 edit / delete

Dan Bernstein's Unix security module. This is a bit dated now, but the material is interesting, and the assessment materials have some nice ideas.

to security teaching unix ... on 10 November 2017

es edit / delete

"Es is an extensible shell. The language was derived from the Plan 9 shell, rc, and was influenced by functional programming languages, such as Scheme, and the Tcl embeddable programming language." Meets some of the design criteria I'm interested in, although overall I don't find the design that compelling.

to es language-design shell unix ... on 06 April 2017

dgsh — directed graph shell edit / delete

DDS's shell allowing the construction of arbitrary graphs of pipes. I like the examples, which range from "Directory listing" to "Nuclear magnetic resonance processing".

to pipeline shell software unix ... on 26 February 2017

Operating Systems edit / delete

"This directory contains some scripts of the lecture Operating Systems at the Berufsakademie Stuttgart." (Or, as we'd say, some lectures for the module &c.) Interesting in that it uses Unix v6 and the Lions book.

to operating-systems retrocomputing teaching unix ... on 24 December 2016

ripgrep is faster than {grep, ag, git grep, ucg, pt, sift} - Andrew Gallant's Blog edit / delete

The tool isn't hugely compelling, but the collection of benchmarks for a regexp search engine is interesting.

to benchmarking grep performance search text unix ... on 06 December 2016

Capsicum Implementation Status edit / delete

I keep thinking "wouldn't it be nice if someone did capability-based security in Unix userspace" and then forgetting that this project already exists...

to capability capsicum security unix ... on 14 October 2016

Cache Directory Tagging Standard edit / delete

It feels like I ought to have written some scripts that implement this...

to cache filesystem unix ... on 14 October 2016

simonyiszk/csdr: A simple DSP library and command-line tool for Software Defined Radio. edit / delete

SDR pipeline tools for Unix. The author's done various neat stuff involving FM subcarriers with this.

to dsp fm radio sdr software unix ... on 11 October 2016

Unix Tree edit / delete

"Welcome to the Unix Tree. Here you can browse the source code and manuals of various old versions of Unix." A lower-tech version of DDS's Git repo.

to digital history pdp11 retrocomputing unix ... on 11 October 2016

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