Someone

write(1, "Tx: \"info 0\"\n", 13Tx: "info 0"
)        = 13
poll([{fd=3, events=POLLOUT, revents=POLLOUT}], 1, 500) = 1
write(3, "i", 1)                        = 1
poll([{fd=3, events=POLLIN, revents=POLLIN}], 1, 500) = 1
read(3, "i", 1)                         = 1
poll([{fd=3, events=POLLOUT, revents=POLLOUT}], 1, 500) = 1
write(3, "n", 1)                        = 1
poll([{fd=3, events=POLLIN, revents=POLLIN}], 1, 500) = 1
read(3, "n", 1)                         = 1
poll([{fd=3, events=POLLOUT, revents=POLLOUT}], 1, 500) = 1
write(3, "f", 1)                        = 1
poll([{fd=3, events=POLLIN, revents=POLLIN}], 1, 500) = 1
read(3, "f", 1)                         = 1
poll([{fd=3, events=POLLOUT, revents=POLLOUT}], 1, 500) = 1
write(3, "o", 1)                        = 1
poll([{fd=3, events=POLLIN, revents=POLLIN}], 1, 500) = 1
read(3, "o", 1)                         = 1
poll([{fd=3, events=POLLOUT, revents=POLLOUT}], 1, 500) = 1
write(3, " ", 1)                        = 1
poll([{fd=3, events=POLLIN, revents=POLLIN}], 1, 500) = 1
read(3, " ", 1)                         = 1
poll([{fd=3, events=POLLOUT, revents=POLLOUT}], 1, 500) = 1
write(3, "0", 1)                        = 1
poll([{fd=3, events=POLLIN, revents=POLLIN}], 1, 500) = 1
read(3, "0", 1)                         = 1
write(3, "\r", 1)                       = 1
read(3, "\r", 1)                        = 1
poll([{fd=3, events=POLLOUT, revents=POLLOUT}], 1, 500) = 1
read(3, "\nUSB>", 17)                   = 5
poll([{fd=3, events=POLLOUT, revents=POLLOUT}], 1, 500) = 1
read(3,  <unfinished ...>