This list will grow over time - it is a list of "oh that is where it comes from"'s and other good insights
RS - record separator
Perl's $/ and awk's RS is from C's getline: #include <stdio.h> getdelim, getline -- get a line from a stream The getdelim() function reads a line from stream, delimited by the character delimiter. The getline() function is equivalent to getdelim() with the new- line character as the delimiter. The delimiter character is included as part of the line, unless the end of the file is reached.
[Square Peg] in a (Round hole)
C and memory
Unlike Awk, Perl, as a C programmer you manage memory as well. Perfectly. Else will be reminded with a SEGV