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chfn:tldr:ce996
The command "chfn -o ${new_office_room_number} ${username}" is used to change the office room number associated with a specific user on a Unix-like system.
Here's a breakdown of each part of the command:
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"chfn": This is the command itself, short for "change finger information." It is used to modify the finger information for a user.
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"-o": This is an option flag followed by a parameter. In this case, the "-o" flag indicates that it is being used to change the office room number.
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"${new_office_room_number}": This is a variable or parameter that should be replaced with the actual new office room number you want to assign to the user. The syntax "${...}" is used to reference variables in Unix-like systems.
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"${username}": This is another variable or parameter that should be replaced with the actual username of the user whose office room number you want to change. Similar to the previous variable, it should be replaced with the actual username before executing the command.
Once executed, the "chfn" command will update the office room number associated with the specified user with the new value provided.