misc: dfm tweaks, documentation, code style

config/alias

@@ -52,11 +52,16 @@ if [[ $(uname) == 'Darwin' ]]; then
   alias emptytrash="sudo rm -rfv /Volumes/*/.Trashes; sudo rm -rfv ~/.Trash; sudo rm -rfv /private/var/log/asl/*.asl"
 fi
 
-alias watchx='watch -dpbc' # watch with: differences, precise, beep and color
+# watch with: differences, precise, beep and color
+alias watchx='watch -dpbc'
+# delete .DS_Store files
 alias zapds='find . -name ".DS_Store" -print -delete'
-alias t='tail -f'   # tail with follow flag on
-alias dn='du -chd1' # directory usage, return only the total
-alias mirrorsite='wget -m -k -K -E -e robots=off' # Mirror site
+# tail with follow flag on
+alias t='tail -f'
+# directory usage, return only the total
+alias dn='du -chd1'
+# Mirror site with wget
+alias mirror_site='wget -m -k -K -E -e robots=off'
 # Mirror stdout to stderr, useful for seeing data going through a pipe
 alias peek='tee >(cat 1>&2)'