Abe Estrada

URL Redirect Tracer:

curl -sIL shorturl.at/dfIJQ | grep -i location

TIL about renameutils and this little trick in bash to mv files without typing the full name twice:

$ mv photo/2020/01/01/{IMG,img}0001.jpeg

Source: namsral

Show duplicate lines in a file:

sort <FILENAME> | uniq -c | grep -v '^ *1 '