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What are the two types of limits that can be set with the ulimit command?
OpenLinux Questions asked 2 years ago • 
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Which command is used to set limits for user processes?
OpenLinux Questions asked 2 years ago • 
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Both the lsof and the netstat command can be used to find the list of processes and the ports they are listening to. True or False?
OpenLinux Questions asked 2 years ago • 
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What is the purpose of the lsof command?
OpenLinux Questions asked 2 years ago • 
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Which command can be used to view all open ports, along with the processes using them?
OpenLinux Questions asked 2 years ago • 
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Which command makes it possible to ping all the hosts on a given subnet?
OpenLinux Questions asked 2 years ago • 
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Which of the following is not a state of ports as reported by nmap?
OpenLinux Questions asked 2 years ago • 
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Which of the following is not a function of nmap?
OpenLinux Questions asked 2 years ago • 
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The chage command supports a _ mode.
OpenLinux Questions asked 2 years ago • 
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You need to enforce an organization’s policy of mandatory password changes every 90 days. Which command can you use for this?
OpenLinux Questions asked 2 years ago • 
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Which command can be used that will take immediate effect, to inactivate the password of a user who has quit?
OpenLinux Questions asked 2 years ago • 
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Which password is required for authentication to use su?
OpenLinux Questions asked 2 years ago • 
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What is the default value of the PASS_MAX_DAYS variable, which defines the maximum number of days before the user must change his password?
OpenLinux Questions asked 2 years ago • 
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Which files define the user’s password aging policy?
OpenLinux Questions asked 2 years ago • 
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Which command is used to keep the user’s account in a locked state?
OpenLinux Questions asked 2 years ago • 
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