Tried that:
C:\Program Files\WinSCP>WinSCP.com /privatekey=C:\Users\willl\Desktop\synergy-ss
h2.ppk /command "option batch abort" "option confirm off" "open ""scp://dropbear
@192.168.1.110:/Arm/Synergy/" "put ""C:\Users\willl\Desktop\SynergyDemo" "call /
Arm/busybox1.19 reboot -nfd 5&" "close" "exit"
batch abort
confirm off
Searching for host...
Connecting to host...
Authenticating...
Using username "dropbear".
Authenticating with public key "imported-openssh-key".
Authenticated.
Starting the session...
Reading remote directory...
Session started.
Active session: [1] dropbear@192.168.1.110
C:\...\SynergyDemo | 2694 KiB | 131.9 KiB/s | binary | 100%
Syntax error: ";" unexpected
Connection has been unexpectedly closed. Server sent command exit status 2.
Session 'dropbear@192.168.1.110' closed.
No session.
Something about a semicolon. The device doesn't complete the reboot if I add the &
C:\Program Files\WinSCP>WinSCP.com /privatekey=C:\Users\willl\Desktop\synergy-ss
h2.ppk /command "option batch abort" "option confirm off" "open ""scp://dropbear
@192.168.1.110:/Arm/Synergy/" "put ""C:\Users\willl\Desktop\SynergyDemo" "call /
Arm/busybox1.19 reboot -nfd 5&" "close" "exit"
batch abort
confirm off
Searching for host...
Connecting to host...
Authenticating...
Using username "dropbear".
Authenticating with public key "imported-openssh-key".
Authenticated.
Starting the session...
Reading remote directory...
Session started.
Active session: [1] dropbear@192.168.1.110
C:\...\SynergyDemo | 2694 KiB | 131.9 KiB/s | binary | 100%
Syntax error: ";" unexpected
Connection has been unexpectedly closed. Server sent command exit status 2.
Session 'dropbear@192.168.1.110' closed.
No session.
Something about a semicolon. The device doesn't complete the reboot if I add the &