linux commond order

1 build a new text of txt file ,
  touch fileName.txt                     /* empty contents  */
  echo "writeSomething!">fileName.txt    /* have some contents  */
2 build a new file 
  mkdir /path/fimeName   /* mkdir /data/home/max/Documents/test66 */
3 copy the file
  cp -r /oldPath/fileName  /newPath/newFileName  /*cp -r /data/home/max/Documents/test66 /data/home/max/Documents/test77 */
4 cut the file or remove the file
  mv /oldFile/fileName /newFile/newFileName      /*mv /data/home/max/Documents/test66 /data/home/max/Documents/test77  */

  rename the file_name  (in the same path file): mv oldfile_name.txt  newfile_name.txt
5 package the file of all
  tar -czvf /newFile/newFileName.tar.gz /oldFile/oldDirectory/selectedFile /*tar -czvf /data/home/max/Documents/test.tar.gz /data/home/max/ */Documents/test77
6 change your path
  cd /newPath/directory/ /*/data/home/max/Documents  */
7 show the file of list
  ls
8 delete the file
  rm -r /oldFile/fileName  /*rm -r /data/home/max/Documents/test77  */
9 check software of all
  dpkg --list
10 uninstall software
  sudo apt-get --purge remove softewareName
  sudo apt autoremove fileName
11 install software (tar.gz of file)
  1. into the path of file, run the terminal: tar -zxvf packageFileName.tar.gz
  2. if the file is a finished product,cut the file to where you want!
  
  sudo apt-get install fileName

12 cheek the version of your linux 
   uname -a