convert

se o disco já estiver formatado como gpt executar apenas os passos 3.2 e 3.4 diretamente no sistema.

https://blog.getreu.net/projects/legacy-to-uefi-boot/

file -i Car.java
iconv -f ISO-8859-1 -t UTF-8//TRANSLIT input.file -o out.file

https://www.tecmint.com/convert-files-to-utf-8-encoding-in-linux/

find . -name "*xcf" | xargs -l -i basename "{}" ".xcf" | xargs -l -i convert "{}.xcf" "{}.jpg"

https://forums.linuxmint.com/viewtopic.php?p=1089649#p1089649
outra forma - https://gist.github.com/danstuken/3625841

ffmpeg -i input.mkv -codec copy output.mp4

https://askubuntu.com/questions/50433/how-to-convert-mkv-file-into-mp4-…

for i in *.jpg ; do convert "$i" -density 300 "${i%.*}_conv.jpg" ; done - mudar a densidade para 300 ppp
jpegoptim --size=1000k *_conv.jpg - reduzir o tamanho para 1MB

http://www.motobit.com/util/charset-codepage-conversion.asp