tee / xargs / alias [.bash_aliases in home folder] 사용

 

---

# tee 사용
cat /etc > file1.txt
cat /run > file2.txt
cat file1.txt file2.txt | tee unsorted.txt | sort -r reversed.txt

# xargs
echo "2023" | xargs cal > cal.txt

---

참고사이트:

https://upload.wikimedia.org/wikipedia/commons/thumb/2/24/Tee.svg/400px-Tee.svg.png