Think You're A Linux Pro? Take This 35 Question Challenge
Autor: Gabriel Costa | Publicado: 2014-01-21T13:15:00-08:00




 



You think you are a 'know it all' when it comes to Linux? Well, we bring to you 35 question challenge to test your skills! 
Monday, September 23, 2013:&nbsp; 



  You think you know everything about Linux? We bring to you 35 
questions based on Linux to test you knowledge. Let's see how big a pro 
you are! And beginners can try too as they will end up learning 
something new! Scroll down to the end for the answers, and see how much you score, but do not cheat!Good luck! 



1. Managing foreground and background processes is usually called job controlprocess controljob managementprogram managementprocess management2. What information does the minor number tell you? memory locationspecific characteristics of the devicewhether device is activedevice prioritywhether device is a module3. Data read from the hard disk is stored in the-disk bufferbuffer cacheswap cachespoolswap space4. What command would you use to switch your user ID before running a command?switchswtusrswidsusuid5. Sets of linux packages are typically grouped together for easy installation.TrueFalse6. The "low-level" operations on the system are generally referred to as what?library callssystem callssystem functionskernel callsdriver calls7. What program converts TCP/IP port numbers to RPC program numbers?portmapperlockdsysdnfsdmountd8. Which of the following is NOT a common networking term.IP datagramTCP segmentMAC packetEthernet frameapplication header9. What action in /etc/inittab determines what is run when CTRL-ALT-DEL is pressed.sysrebootpowerdownshutdownreboot10.  Virus can typically only affect Linux if the attack the master boot record.TrueFalse11. What DNS record type defines the IP address for a specific machine?DNSANAMENSIP12.  What is the highest priority for the system logger daemon?emergencywarningfailureerrorpanic13. In addition to Ctrl-C, what other key is also used to interrupt programs?DeleteEscapeCTRL-BBackspace^14.  After making changes to you .profile, what command would you issue to activate the changes in your current shell?reset $HOME/.profile. $HOME/.profile$HOME/.profiletouch $HOME/.profileset $HOME/.profile15.  Information on the running system is found in what directory?/sbin/proc/system/boot/system/proc/process16.  What command would be best if you wanted to see the end of a particular file?perltailheadgrepfind17. Most distributions use which installation package format?Common Linux Format - CLFLinux Installation Format - LIFCommon Package Format - CPFRed Hat Package Manager - RPMLinux Package Format - LPF18.  Printer configuration information is stored in which directory?/etc/default/printers/var/conf/lpd/usr/adm/lpd/etc/lpd.conf/usr/spool/lpd19.  What option to halt says to power off when the system is down?-r-k-p-n-P20.  Data read from the harddisk is stored in thespoolswap cacheswap spacebuffer cachedisk buffer21.  What is the process of directing packets to the correct network?start-up scriptssearch pathroutinghome directorydirectory pathcommand path22. Shells are limited to a maximum of 9 positional parameters.TrueFalse23.  The inode does not contain the file'ssizenamecreation datepermissionsowner24.  Both CPU and kernel help ensure that processes do not not access memory they shouldn't.TrueFalse25.  What file contains text that is displayed before you login?/etc/profile/etc/env/etc/motd/etc/login/etc/issue26.
  What command would you use to change the permissions on a file so only
 the owner can read and write it and the group can only read it?chmod 620 FILENAMEchmod 420 FILENAMEchmod 640 FILENAMEchmod go=r-w FILENAMEchmod 750 FILENAME27.  Where is hardware information stored that the system uses when booting?POSTDMACMOSRAMPCI28.  What command shows your current terminal settings?termenvtermsettermsttyinitterm29. Preceeding a shell script with a dot when you execute it does what?Executes the shell without starting a sub-shell.Increases the priority of the shell.Executes the shell in the background.Executes the shell in the user's home directory.Executes the shell in the root directory.30.  What symbol is used to put a command "in the background"?!|%$&amp;31.  What character would you use to negate a range of characters in a regular expression?%^?!#$32.  The command "cd -" does what?Stores the current directory in a variable.Changes to the previous directory.Changes to the parent directory.Runs the command in the specified directory.Changes to the user's home directory.33.  What is the portion added to the start of a network packet usually called?designatorstart-packframeleadheader34. In what order are aliases, functions shell build-in commands and "real" commands evaluated by the shell?aliases, functions, commands, shell built-insshell built-ins, aliases, functions, commandsThe order in which they are definedcommands, shell built-ins, aliases, functionsAlphabetically35.  Which of the following is not a metacharacter?_?*-[Answers:1. job control2. specific characteristics of the device3. buffer cache4. su5. True6. system functions7. portmapper8. MAC packet9. ctraltdel10. True11. A12. panic13. Delete14. . $HOME/.profile15. /proc16. tail17. Red Hat Package Manager - RPM18. /usr/spool/lpd19. -p20. buffer cache21. routing22. False23. name24. True25. /etc/issue26. chmod 640 FILENAME27. CMOS28. stty29. Executes the shell without starting a sub-shell.30. &amp;31. !32. Changes to the previous directory.33. header34. shell built-ins, aliases, functions, commands35. _So how much did you score!





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