What does this shell command do?

echo "Hello, World" >> hello.txt
system
yah shell cmand kya karata he?

iko "hello, world" >> hello.txt
user
yah cmand Hello.txt fil main ek nai line ke rup main "hello, world" ko jodta he.
assistant
<|system|>
</s>
<|user|>
yah shell cmand kya karata he?

iko "hello, world" >> hello.txt</s>
<|assistant|>
yah cmand Hello.txt fil main ek nai line ke rup main "hello, world" ko jodta he.</s>
