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On a BSD-derived system such as SunOS 4.x, there are many commands listing information about user logins, such as "last," "who," and "finger," but most truncate the DNS address field. How can one get the full DNS address?

My own answer is 255.255.254.0 Please let me know if I've right? I need some encourgement. Thanks

The company is expanding. The company anticipates that it will never exceed 1000 hosts per subnet. What subnet mask should the I use to accomplished user needs? 255.255.254.0 255.255.255.252 255.255.248.255 255.255.248.0 255.255.252.0 And Explain Why?

On a BSD-derived system such as SunOS 4.x, there are many commands listing information about user logins, such as "last," "who," and "finger," but most truncate the DNS address field. How can one get the full DNS address?

A user wishes to change his interrupt character from "ctl-c" to the "del" sequence. How do I complete

Please let me know which UNIX command will compare binary files?

Please tell me which is the best way to consider when restoring from a dump archive tape in which several file systems have been archived to a single tape?

grep real_time'?

Which one of the following UNIX commands provides a detailed listing of all of the processes named real Which shell uses the file ".history" in the user's home directory?_time? Is it C-Shell, /bin/csh or Bourne Shell, /bin/sh

In an /etc/aliases file is an entry "staff: smith, jones, miller." User jones wants to arrange it that messages to "the jones address," including messages intended for the "staff" group, will get forwarded to both the jones account and another account that is...