lab1.pdf - Exercise 2 What is the default directory when...

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Exercise 2 What is the default directory when you open a new command window? What is your working directory? The default directory when you open a new command window is /home/guest. My working directory is home/Yang_Shi. Exercise 3 xinetd is running. Exercise 4 QUESTION: What does the command more do? What do you think the file services contains? What about the /etc folder? Command ± more ² is used to read a file and display the content page by page. Files in services record the network service name and their port number and protocol. /etc folder contains most of the configuration file of system and related services QUESTION: Are the contents of the file ser_more different than the output you see in the other console? The contents are the same. QUESTION: Are the contents of the files ser_more and ser_cp identical? Yes, the contents of the files ser_more and ser_cp are identical. QUESTION: What are the sizes of files ser_more , ser_cp , and ser_cat ?
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Exercise 5 arp: display and manage the arp cache. It can add or delete corresponding MAC address of an IP address in the table. ARP represent address resolution protocol which used to find out the mac address of an IP address.
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