View difference between Paste ID: gvwpbe9T and MCECxnyu

 [student@localhost ~]$ cat countdown
 #!/bin/bash
 
 COUNTER=$1
 COUNTER=$(( COUNTER * 60 ))
 
 while true
 do
 	echo $COUNTER seconds remaining in break
 	sleep 1
 	COUNTER=$(( COUNTER - 1 ))
 done
 [student@localhost ~]$ history
     1  sudo systemctl isolate multi-user.target
     2  sudo systemctl status sshd
     3  sudo firewall-cmd --list-all
     4  ip a
     5  vim countdown
     6  countdown
     7  ./countdown
     8  chmod +x countdown
     9  ./countdown 12
    10  history
    11  ls -l countdown
    12  echo $PATH
    13  countdown
    14  pwd
    15  cp countdown /usr/local/bin
    16  sudo cp countdown /usr/local/bin
    17  countdown 0
    18  history
    19  man hier
    20  man cp
    21  man hier
    22  man usr
    23  useradd linda
    24  sudo useradd linda
    25  sudo passwd linda
    26  su - linda
    27  id
    28  sudo -i
    29  cat countdown
    30  history
 
 
 ROOT COMMANDS[root@localhost ~]# history
     1  whoami
     2  systemctl isolate graphical.target
     3  whoami
     4  cd /
     5  ls
     6  ls -l
     7  cd /usr
     8  ls
     9  cd /
    10  ls
    11  cd etc
    12  ls
    13  cat passwd
    14  cat shadow
    15  grep linda *
    16  grep linda * 2>/dev/null
    17  grep -R linda * 2>/dev/null
    18  cd /
    19  ls
    20  cd boot
    21  ls -l
    22  lsmod
    23  lsmod | less
    24  lsblk
    25  cd /
    26  umount /dev/sdb1
    27  umount /boot
    28  ls /boot
    29  cd boot
    30  ls
    31  lsblk
    32  cd
    33  mount /dev/sda1 /boot
    34  ls /boot/
    35  lsblk
    36  cd /dev
    37  ls -l
    38  ls
    39  cd
    40  cd /
    41  ls
    42  cd /tmp
    43  ls
    44  cd /var
    45  ls
    46  cd log
    47  ls
    48  cd /
    49  cd proc
    50  ls
    51  cat cpuinfo
    52  cd
    53  ls -l /etc/hosts
    54  ls -l -a
    55  ls -la
    56  netstat -tulpen
    57  ps -axf
    58  ps -fax
    59  echo hello > hellofile
    60  cat hellofile
    61  history
    62  ls -a
    63  env
    64  env | grep HIST
    65  history
    66  history -d 61
    67  echo $PATH
    68  ln /usr/local/bin/countdown /usr/local/sbin/countdown
    69  countdown 12
    70  man password
    71  man -k user
    72  mandb
    73  man -k user
    74  man -k user | wc
    75  man man
    76  man -k user | grep 8
    77  man useradd
    78  man semanage-fcontext
    79  useradd --help
    80  rpm -qa | grep bash
    81  nmcli connection add con-name democon ipv4.method manual ipv4.addresses 192.168.4.150/24 ipv4.gateway ipv4.dns 8.8.8.8
    82  nmcli connection add con-name democon ipv4.method manual ipv4.addresses 192.168.4.150/24 ipv4.gateway 192.168.4.2 ipv4.dns 8.8.8.8
    83  nmcli connection add con-name democon ipv4.method manual ipv4.addresses 192.168.4.150/24 ipv4.gateway 192.168.4.2 ipv4.dns 8.8.8.8 type ethernet
    84  sleep 3600
    85  jobs
    86  bg
    87  jobs
    88  ps aux
    89  kill 41825
    90  jobs
    91  dd if=/dev/zero of=/dev/null &
    92  top
    93  ps aux | less
    94  id student
    95  id linda
    96  usermod -aG wheel linda
    97  id linsda
    98  id linda
    99  usermod -aG docker linda
   100  ls -l /etc/passwd /etc/shadow
   101  cat /etc/shadow
   102  ls -l /etc/passwd /etc/shadow
   103  echo hello > /tmp/testfile
   104  chown linda /tmp/testfile
   105  chmod 077 /tmp/testfile
   106  ls -l /tmp/testfile
   107  su - linda
   108  touch removeme
   109  chattr +i removeme
   110  ls -l
   111  rm -f removeme
   112  lsattr
   113  chattr -i removeme
   114  rm -f removeme
   115  history
   116  nmcli con show
   117  nmcli connection up democon
   118  nmcli con show
   119  ip a
   120  ip addr add dev ens33 10.0.0.10/24
   121  ping 10.0.0.10
   122  ip a
   123  ifconfig
   124  ifconfig -a
   125  man ifconfig
   126  which ifconfig
   127  rpm -qf $(which ifconfig)
   128  rpm -ql net-tools
   129  yum delete net-tools
   130  yum remove net-tools
   131  ip route show
   132  cat /etc/resolv.conf
   133  cd /
   134  ls -l
   135  yum install nmap
   136  apt-get install nmap
   137  exit
   138  history