bash n 4 may 2022

[root@localhost ~]# cat putfile.sh
#!/bin/bash

lftp localhost << UPLOAD
cd pub
put /etc/passwd
ls
quit
UPLOAD

[root@localhost bash-scripting]# history
    1  echo $SHELL
    2  which bash
    3  git clone https://github.com/sandervanvugt/bash-scripting
    4  cd bash-scripting/
    5  ls
    6  echo $USER
    7  env
    8  ls
    9  color=red
   10  echo hello
   11  echo $color
   12  bash
   13  export color=green
   14  bash
   15  ls -a ~
   16  echo $color
   17  echo ${color}
   18  echo $color123
   19  echo ${color}123
   20  echo $?
   21  ls oihyoihioho
   22  echo $?
   23  echo $PATH
   24  ls
   25  history
   26  vim script1
   27  script1
   28  pwd
   29  echo $PATH
   30  ./script1
   31  echo $?
   32  ls -l
   33  chmod +x script1
   34  ls -l script1
   35  ./script1
   36  echo $PATH
   37  type yum
   38  type cat
   39  type cp
   40  type cd
   41  help
   42  echo $color
   43  echo \$color
   44  echo '$color'
   45  ls
   46  cat countdown
   47  ./countdown 12
   48  vim countdown
   49  vim script2
   50  ./script2
   51  chmod +x scr*
   52  ./script2
   53  cat script2
   54  source script2
   55  cd
   56  cd bash-scripting/
   57  . script2
   58  cd -
   59  dnf install -y network-scripts
   60  cd /etc/init.d/
   61  ls
   62  vim network
   63  vim /etc/sysconfig/network
   64  cd
   65  cd bash-scripting/
   66  ls
   67  vim script2b
   68  pwd
   69  vim colors
   70  chmod +x script2b
   71  ./script2b
   72  vim colors
   73  ./script2b
   74  history
   75  ls -l /home
   76  vim script3
   77  cat script3
   78  ./script3 a b c d e f g h i k k l m n
   79  vim script4
   80  ./script4 a b c d
   81  cat script4
   82  cat script5
   83  tar -cvf /root/backup-$(date +%d-%m-%y).tar /etc
   84  ls -l /root/backup-13-05-22.tar
   85  uname -r
   86  cat script5
   87  cd /lib/modules
   88  ls
   89  cd $(uname -r)
   90  cd
   91  history
   92  dnf install -y vsftpd
   93  vim /etc/vsftpd/vsftpd.conf
   94  setenforce 0
   95  systemctl start vsftpd
   96  dnf install -y lftp
   97  lftp localhost
   98  chmod -R 777 /var/ftp
   99  lftp localhost
  100  chmod 755 /var/ftp
  101  systemctl restart vsftpd
  102  lftp localhost
  103  vim putfile.sh
  104  chmod +x putfile.sh
  105  ./putfile.sh
  106  vim putfile.sh
  107  cat putfile.sh
  108  cd bash-scripting/
  109  ls
  110  vim setupftp
  111  ./countdown 13
  112  vim script6
  113  ./script6 /usr/bin/blah
  114  vim script6
  115  ./script6 /usr/bin/blah
  116  vim script7
  117  echo $(( 2 * 4 ))
  118  echo $(( 5 / 2 ))
  119  echo $(( 5 % 2 ))
  120  echo $(( 5 - 2 ))
  121  echo $(( 2 -5 ))
  122  test -f /etc/oihoiho
  123  echo $?
  124  [ -f /etc/oihiohio ]
  125  echo $?
  126  [[ -f /etc/oihiohio ]]
  127  echo $?
  128  vim /etc/init.d/network
  129  ls/etc
  130  ls /etc/hosts && echo it exists
  131  ls /etc/hostskjhku && echo it exists
  132  ls /etc/hostskjhku || echo it exists
  133  ls /etc/hosts || echo it exists
  134  man test
  135  vim script8
  136  useradd alexander
  137  ./script8 alex
  138  ./script8 alexander
  139* ./script8
  140  bash -x ./script8 alexander
  141  vim script9
  142  ./script9
  143  echo $?
  144  vim script9
  145  echo $?
  146  ./script9
  147  echo $?
  148  ./script9 ab
  149  ./countdown 13
  150  vim else1
  151  vim else2
  152  vim else1
  153  vim else2
  154  vim numcheck
  155  vim for
  156  ls
  157  for i in script*; do echo $i; done
  158  for i in script*; do cp $i $i.bak; done
  159  ls
  160  grep case *
  161  vim 1_cpu-hog
  162  vim case
  163  echo hello
  164  echo hello | tr a-z A-Z
  165  echo hello | tr [:lower:] [:upper:]
  166  echo hello | tr a-k m-z
  167  vim 1_cpu-hog
  168  vim case
  169  ./case
  170  vim case
  171  ./case
  172  vim case
  173  ./case
  174  vim case
  175  ./case
  176  cat case
  177  while false; do echo hello; done
  178  echo $?
  179  false
  180  echo $?
  181  until false; do echo hello; done
  182  until false; do echo waiting to become true; sleep 1; done
  183  until [ -f /tmp/testfile ]; do echo waiting for file; sleep 1; done
  184  vim script10
  185  ./script10 5
  186  ls
  187  vim backout
  188  vim convert
  189  vim script11
  190  ./script11
  191  vim script11
  192  bash -x ./script11
  193  vim script11
  194  bash -x ./script11 1
  195  vim script11
  196  bash -x ./script11 1
  197  vim script11
  198  bash -x ./script11 1
  199  vim script11
  200  ./script11 1
  201  history