# remove current folder
cd
e'c'"h"o $HOME---"here we go" '$PATH'
touch f1 && chmod 0 f1
< f1 cat
echo $$$
echo $.
echo $"d"
echo $'d'
<< end cat
> 'klsklf--$HOME---'
> asdlfkjadklsfj----$PATH----
<< 'end' cat
> 'klsklf--$HOME---'
> asdlfkjadklsfj----$PATH----
<< "end" cat
> 'klsklf--$HOME---'
> asdlfkjadklsfj----$PATH----
<< "en"d cat
> 'klsklf--$HOME---'
> asdlfkjadklsfj----$PATH----
export tt="<<"
$tt end cat
./minishell
dksfjdsf
exit
echo $?
./minishell
dksfjdsf
exit 3
echo $?
export key="value"
./minishell
echo $key
export a a a aaa
export aaa
export a="value"
export a+="lksjdfklj"
export tt="m s"
export $tt="text"
export v="something" | ls
echo $v
export v="something" && echo $v
export tt="e - m* - * - s"
echo *$tt*
mkdir test && cd test && touch f1
< * cat