Hacking with an arbitrary precision calculator

dc is a reverse-polish desk calculator which supports unlimited preci‐ sion arithmetic. It also allows you to define and call macros. Nor‐ mally dc reads from the standard input; if any command arguments are given to it, they are filenames, and dc reads and executes the contents of the files before reading from standard input. …

Hacking with debian netselect-apt command

$sudo netselect-apt -t 2 -c IN Using distribution stable. Retrieving the list of mirrors from www.debian.org… –2014-08-31 23:00:07– http://www.debian.org/mirror/mirrors_full Resolving www.debian.org (www.debian.org)… 140.211.15.34, 128.31.0.51 Connecting to www.debian.org (www.debian.org)|140.211.15.34|:80… connected. HTTP request sent, awaiting response… 200 OK Length: 350858 (343K) [text/html] Saving to: ‘/tmp/netselect-apt.Pjgwxz’ 100%[====================================================================================>] 3,50,858 110KB/s in 3.1s 2014-08-31 23:00:11 (110 KB/s) – ‘/tmp/netselect-apt.Pjgwxz’ saved …