Tag: operating systems

Questions Related to operating systems

What is the command to display all the environment variables?

technology operating systems

  1. environ

  2. setall

  3. env

  4. None of these

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Correct Option: C

I have a script which will prompt me to enter a password. But I want that the password should not be displayed when I enter the password. How do I achieve this?

technology operating systems

  1. stty -echo

  2. set noecho

  3. stop echo

  4. None of these

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Correct Option: A

What is the command to check all the recent logins with IP address on my AIX server?

technology operating systems

  1. last

  2. logins

  3. recentlogin

  4. None of these

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Correct Option: A

What is the output of the following command? $ awk '{print "'\''"}' /etc/passwd|head -1

technology operating systems

  1. a single quote

  2. a double quote

  3. syntax error

  4. None of these

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Correct Option: A

What will happen if I press v after firing the following command?

technology operating systems

  1. Show verbose messages

  2. Enter VI editor

  3. Show the version of more command

  4. None of these

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Correct Option: B

When a new user is created on AIX server, the default value of PATH variable is set from which configuration file?

technology operating systems

  1. /etc/environment

  2. /etc/profile

  3. /etc/defaults

  4. None of these

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Correct Option: A

What is the command to find the maintenance level of AIX 5.3 and above?

technology operating systems

  1. oslevel -r

  2. maintenancelevel

  3. osversion

  4. uname -a

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Correct Option: A

A VG has PP size of 1GB. Which of the following is true?
technology operating systems

  1. The maximum size of any filesystem created in that VG can be of 1GB

  2. The minimum size of any filesystem created in that VG can be of 1GB

  3. PP size of 1GB is not possible.

  4. None of these

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Correct Option: B

What is prtconf in AIX?

technology operating systems

  1. A command to gather system configuration.

  2. A command to monitor performance.

  3. Not a valid AIX command

  4. None of these

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Correct Option: A

How can I disable ftp on my AIX server?

technology operating systems

  1. Hash the line for ftp in /etc/inetd.conf and refresh the inetd daemon.

  2. Execute the coommand: # service ftpd stop

  3. Execute the command:# stopsrc -s ftpd

  4. None of these

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Correct Option: A