Questions I) Enter these commands at the Linux terminal, explain the command, capture screen the output for your homework report passwd, date, hostname, arch' uname 'a, wha, td lasL finger, top, w, echo SSHEIL cal 2000, bc-lotype quit or press Ctrl-d to quit), ocho 5+4be -L time sleep 5, history 2) Try the following coemmand soquence and capture the screen for your homework nport . od pwd, Is-al, od- pwd, od.. pwd, Isal, edpwd, Isal, od..pad od ec, Is-allmore, cat passwd, ed pwd )Answer the following questions I. What is the diflerence between regular users and the root? 2 What command can be used to isolate the line in etcpasswd that contains your login details. Select the best command frem Table 3 What is the command to change access to the passwd file in your home direcsory so that cnly you can read or write to it? What is the command to find all files largar than 1 MB 5. What command can be used toe display the current memory usage 6 In this peoblem, we will evaluate some available software for cracking passwoeds of an operating system (i.e Windows Linux). Plcase notice that your success on cracking passwonds depands on many factors. You will get the points by folowing the right instractions evn if you are not successful to obtain your password. Please perform this exarcise on your personal computer for either windows or linux operating system First step is to download one of the cracking software like pwdump, fedump, Ophcrack and then give the gencrated text file to a hash decoding sotware like John the Ripper. Hare are some links that you can get the mentioned softwares Ophcrack http://ophcrack.sourceforge.net/ John the Ripper www.openwall.com/jphn o You need to run the binary (ie, executable file) from your command window prompt. For example, run pwdump2 and redirect ts output to a file called cracked.tst:pw- dumpz> cracked.txt. Ifthe program is successful to obtain the Windows SAM password hashes cracked.txt will later be cracked with John the Rippor o If the cracked.txt contains SAM password hashes the following command can run John the Ripper to display the cracked passwonds: jokn cracked txt This process can take seconds or days, depending on the number of users and the complexity of their associated passwords. o Altematively, John the Ripper can crack UNIX passwords You need root access to your system and to the password (ete/passwd) and shadow password (ete shadow) Sles. Fint you neod to download the Unix source les of the John the Ripper fie Sourth link o Extract the program by entering the following command tar -af joha-18.tar.gz o Change into the ise directory that was created when you extracted the program, and enter the following command make gmeric Questions I) Enter these commands at the Linux terminal, explain the command, capture screen the output for your homework report passwd, date, hostname, arch' uname 'a, wha, td lasL finger, top, w, echo SSHEIL cal 2000, bc-lotype quit or press Ctrl-d to quit), ocho 5+4be -L time sleep 5, history 2) Try the following coemmand soquence and capture the screen for your homework nport . od pwd, Is-al, od- pwd, od.. pwd, Isal, edpwd, Isal, od..pad od ec, Is-allmore, cat passwd, ed pwd )Answer the following questions I. What is the diflerence between regular users and the root? 2 What command can be used to isolate the line in etcpasswd that contains your login details. Select the best command frem Table 3 What is the command to change access to the passwd file in your home direcsory so that cnly you can read or write to it? What is the command to find all files largar than 1 MB 5. What command can be used toe display the current memory usage 6 In this peoblem, we will evaluate some available software for cracking passwoeds of an operating system (i.e Windows Linux). Plcase notice that your success on cracking passwonds depands on many factors. You will get the points by folowing the right instractions evn if you are not successful to obtain your password. Please perform this exarcise on your personal computer for either windows or linux operating system First step is to download one of the cracking software like pwdump, fedump, Ophcrack and then give the gencrated text file to a hash decoding sotware like John the Ripper. Hare are some links that you can get the mentioned softwares Ophcrack http://ophcrack.sourceforge.net/ John the Ripper www.openwall.com/jphn o You need to run the binary (ie, executable file) from your command window prompt. For example, run pwdump2 and redirect ts output to a file called cracked.tst:pw- dumpz> cracked.txt. Ifthe program is successful to obtain the Windows SAM password hashes cracked.txt will later be cracked with John the Rippor o If the cracked.txt contains SAM password hashes the following command can run John the Ripper to display the cracked passwonds: jokn cracked txt This process can take seconds or days, depending on the number of users and the complexity of their associated passwords. o Altematively, John the Ripper can crack UNIX passwords You need root access to your system and to the password (ete/passwd) and shadow password (ete shadow) Sles. Fint you neod to download the Unix source les of the John the Ripper fie Sourth link o Extract the program by entering the following command tar -af joha-18.tar.gz o Change into the ise directory that was created when you extracted the program, and enter the following command make gmeric