UNIX example: environment [WIP].

thesis.bib

@@ -1025,3 +1025,19 @@
   publisher = {Pearson Education}
 }
 
+# GNU coreutils
+@book{MacKenzieMPPBYS20,
+  author = {David MacKenzie
+            and Jim Meyering
+            and Ross Paterson
+            and François Pinard
+            and Karl Berry
+            and Brian Youmans
+            and Richard Stallman},
+  title  = {{GNU} {Coreutils}},
+  note   = {for version 8.32},
+  month  = feb,
+  year   = 2020,
+  publisher = {Free Software Foundation},
+  address = {Boston, MA, USA}
+}