I tried to install newman globally but no luck and here is what I did: First I installed newman as follows: Then I ran the command newman -h in another command
stipple
symmetry
dart-mockito
apartments
secondary-table
string-externalization
google-glass
webrtc
netbios
push-api
android-appcompat
ephemeral-storage
kernel-density
dumb-data
coveo
arraycollection
misspelling
ipados15
reduce-reduce-conflict
flyway
background-repeat
xgboost
badge
owl-api
htmlsession
nearcore
walkthrough
tex
mysql-json
clusterize