#!/bin/bash

for a in `seq 80`  # ȤÀº      for a in $( seq 80 )
# for a in 1 2 3 4 5 ... 80   °ú ¶È°°½À´Ï´Ù(°úµµÇÑ Å¸ÀÌÇÎÀ» ¾È Çصµ µÇÁÒ!).
# ½Ã½ºÅÛ¿¡ 'jot'ÀÌ ÀÖ´Ù¸é ´ë½Å ¾µ ¼öµµ ÀÖ½À´Ï´Ù.
do
  echo -n "$a "
done
# "for" ·çÇÁÀÇ [list] ¸¦ ¸¸µé±â À§Çؼ­ ¸í·É¾îÀÇ Ãâ·ÂÀ» »ç¿ëÇÏ´Â ¿¹Á¦

echo; echo


COUNT=80  # 'seq'¿¡ º¯°æÇÒ ¼ö ÀÖ´Â ¸Å°³º¯¼ö¸¦ Á൵ µÇ´Â±º¿ä.

for a in `seq $COUNT`  # ȤÀº   for a in $( seq $COUNT )
do
  echo -n "$a "
done

echo

exit 0