I noticed the default command to reveal the HEX or BIN file doesn't work with the fish shell. There is a Stack Overflow question about this: https://unix.stackexchange.com/questions/704534/fish-shell-why-does-file-which-command-work-in-zsh-and-bash-but-not-fish POSIX standards recommend not using backticks.... https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xcu_chap02.html#tag_23_02_06_03
I noticed the default command to reveal the HEX or BIN file doesn't work with the fish shell. There is a Stack Overflow question about this: https://unix.stackexchange.com/questions/704534/fish-shell-why-does-file-which-command-work-in-zsh-and-bash-but-not-fish
POSIX standards recommend not using backticks.... https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xcu_chap02.html#tag_23_02_06_03