linfun day1 nov23

[student@linfun ~]$ history
    1  reboot
    2  ls /root
    3  whoami
    4  sudo ls /root
    5  id
    6  whoami
    7  sudo useradd linda
    8  sudo passwd linda
    9  su - linda
   10  history
   11  sudo -i
   12  sudo su -
   13  ssh 192.168.29.143
   14  ls
   15  LS
   16  ls -l
   17  ps aux
   18  history
   19  ls --help
   20  ls --help | less
   21  ls -all
   22  ls --all
   23  ls -l -r -t
   24  ls -lrt
   25  ls --help | less
   26  whoami
   27  whoami --help
   28  hostname
   29  hostnamectl set-hostname linfun.example.com
   30  hostnamectl --help
   31  date
   32  uname
   33  uname --help
   34  uname --all
   35  exit
   36  history
   37  passwd linda
   38  touch hello
   39  ls
   40  pwd
   41  cd /
   42  touch hello
   43  cd
   44  ls -l
   45  touch hello
   46  ls -l
   47  history
   48  vim countdown
   49  countdown 12
   50  ./countdown 12
   51  chmod +x countdown
   52  history
   53  cat countdown
   54  countdown 12
   55  echo $PATH
   56  ls -l countdown
   57  nano countdown
   58  echo $(( 2 * 6 ))
   59  man ls
   60  man man
   61  man -k user
   62  man man
   63  man apropos
   64  man mandb
   65  mandb
   66  man mandb
   67  sudo mandb
   68  man -k user
   69  man -k user | grep 8
   70  man ls
   71  pinfo '(coreutils) ls invocation'
   72  history
   73  homebrew
   74  man -k hostname
   75  man hostnamectl
   76  history | grep hostnamectl
   77  lvcreate --help | less
   78  history
   79  pwd
   80  ls
   81  ls -a
   82  ls -al
   83  ls -ld ..
   84  cd ..
   85  cd /etc
   86  ls
   87  ls -l passwd
   88  cat passwd
   89  ls a*
   90  ls -d a*
   91  pwd
   92  ls A*
   93  ls -d a?*
   94  ls -d a?b*
   95  ls -d a?a*
   96  ls -d a?[ao]*
   97  ls -d a?[a-f]*
   98  mkdir hello
   99  cd
  100  mkdir hello
  101  ls -l
  102  mkdir bye
  103  ls
  104  cd bye
  105  touch hello
  106  ls
  107  pwd
  108  cd ..
  109  rmdir bye/
  110  rm -r bye/
  111  rm -rf bye/
  112  ls
  113  echo $?
  114  cd /
  115  ls
  116  ls /
  117  ssh 192.168.29.143
  118  man hier
  119  cd /var
  120  ls
  121  ls log
  122  cd /usr
  123  ls
  124  cd sbin
  125  ls
  126  man rtmon
  127  cd ..
  128  ls
  129  cd local
  130  ls
  131  ls ~
  132  countdown
  133  cp ~/countdown /usr/local/bin/
  134  sudo cp ~/countdown /usr/local/bin/
  135  countdown
  136  echo $PATH
  137  pwd
  138  sudo cp ~/countdown bin/
  139  cd ../sbin
  140  pwd
  141  cd local
  142  cd ../local
  143  cd sbin
  144  pwd
  145  sudo cp ~/countdown ../bin
  146  cd
  147  ls
  148  cp countdown scripts/
  149  cp countdown scripts
  150  ls
  151  rm scripts
  152  mkdir hidden
  153  cp -a * hidden/
  154  ls -al hidden/
  155  rm -f hidden/*
  156  rm -fr hidden/*
  157  cp -a .* hidden/
  158  ls -al hidden/
  159  cd
  160  ls
  161  mv hello goodbye
  162  ls
  163  history