In the /etc/shadow file, which character in the password field indicates that a standard user account is locked?

So im doing this school challenge and the teachers said whats the average text a student gets a day so i need to get about 20 in a day but dont know how can you guys 2163371293

What are the different parts of computer

Other - a written response, no less than arial 12-point font, to the following: of the following, which would you consider is most important to customer service goals? choose one and explain why. (1) accuracy (2) punctuality and attendance (3) courtesy (4) productivity (5) organization