/bin/bash
. sh
or /bin/sh
, bash tries to follow the startup behaviour of older versions of sh
, but also to conform to the POSIX standard. $'…'
allows to embed characters in hexadecimal form: echo $'The first character of the alphabet is \x41'
echo
command has the special -e
flag which also allows to embed hexadecimal characters. echo -e "The first character of the alphabet is \x41"
bash.exe
is bash for the Windows Subsystem for Linux.