Question: if you want to input a password with echo characters, you should write the read statement as read - sp 'Password: ' passvar read -

if you want to input a password with echo characters, you should write the read statement as
read -sp 'Password: ' passvar
read -p 'Password: ' passvar
readpass -sp 'Password: ' passvar
readpass -s 'Password: ' passvar

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