Linux command https://moneyslow.com/html/smarttech101.com/index.html
shell explain：https://www.shell.how/
how to ssh https://moneyslow.com/html/blog.haojunyu.com/post/deep_ssh/index.html
ssh-agent tutorails https://www.jianshu.com/p/12de50582e63
Play ssh: https://moneyslow.com/html/blog.hufeifei.cn/2021/02/Linux/ssh/index.html
what fuck my shell: https://www.moncefbelyamani.com/which-shell-am-i-using-how-can-i-switch/
ssh back door https://medium.com/@sec_for_safety/ssh-backdoor-how-to-get-a-proper-shell-on-the-victims-machine-52d28fe6dde1
ssh manual：https://www.openssh.com/manual.html
SSH Forwarding ：https://www.youtube.com/watch?v=g_Row8zEJZc
authorized_keys format： https://0xda.de/blog/2021/03/authorized_keys-file-format/
shell&ssh
shell技巧