;id
|id
`id`
$(id)
;whoami
|whoami
`whoami`
$(whoami)
;ls
|ls
`ls`
$(ls)
;cat /etc/passwd
|cat /etc/passwd
`cat /etc/passwd`
$(cat /etc/passwd)
||ping -c 10 127.0.0.1
&&ping -c 10 127.0.0.1
;ping -c 10 127.0.0.1
|ping -c 10 127.0.0.1
`ping -c 10 127.0.0.1`
$(ping -c 10 127.0.0.1)
;sleep 5
|sleep 5
`sleep 5`
$(sleep 5)
\nid\n
\n/bin/ls -al\n
\n/usr/bin/id\n