RHCE课程第三节

    1  ls -lah
    2  cd Desktop/
    3  ls -lah /root/Desktop/
    4  ./asd.sh 
    5  cat asd.sh 
    6  cd ..
    7  ./Desktop/asd.sh 
    8  ls -l /var/
    9  cat /var/opt/m
   10  cat -n 10 initial-setup-ks.cfg 
   11  head -n 10 initial-setup-ks.cfg 
   12  tail -n 10 initial-setup-ks.cfg 
   13  tail -f 10 initial-setup-ks.cfg 
   14  wc -l anaconda-ks.cfg 
   15  wc -c anaconda-ks.cfg 
   16  wc -w anaconda-ks.cfg 
   17  tr
   18  cat initial-setup-ks.cfg | wxit
   19  cat anaconda-ks.cfg | tr [a-z] [A-Z]
   20  cat anaconda-ks.cfg | [A-Z] [a-z]
   21  cat anaconda-ks.cfg | tr  [A-Z] [a-z]
   22  stat anaconda-ks.cfg 
   23  touch anaconda-ks.cfg 
   24  stat anaconda-ks.cfg 
   25  stat initial-setup-ks.cfg 
   26  head -n /etc/passwd
   27  head -n 10 /etc/passwd
   28  cat /etc/passwd
   29  cut -d: -f1
   30  cut -d: -f1 anaconda-ks.cfg 
   31  ll
   32  cd Desktop/
   33  ll
   34  vi a.txt
   35  vi b.txt
   36  file --brief a.txt b.txt 
   37  diff --brief a.txt b.txt 
   38  diff -c a.txt b.txt 
   39  touch xiaoqi
   40  ll
   41  cat xiaoqi 
   42  l
   43  ls -l
   44  cat xiaoqi 
   45  echo afadsfsdjgkjsh >> xiaoqi 
   46  cat xiaoqi 
   47  ehco hello hava hello python >> xiaoqi 
   48  echo hello hava hello python >> xiaoqi 
   49  cat xiaoqi 
   50  echo java go c python > xiaoqi 
   51  cat xiaoqi 
   52  ehco "jsljfdslkjdlkflkd" > xiaoqi 
   53  echo "jsljfdslkjdlkflkd" > xiaoqi 
   54  cat xiaoqi 
   55  echo "jsljfdslkjdlkflkd" >> xiaoqi 
   56  cat xiaoqi 
   57  touch -d "9:19"
   58  touch -d "9:19" xiaoqi 
   59  ls -l
   60  touch -d "19:19" xiaoqi 
   61  ls -l
   62  date
   63  echo ajlfds >> xiaoqi 
   64  ls -l
   65  mkidir hah
   66  mkdir haha
   67  cat haha/
   68  touch -d "19:19" haha
   69  ls -l
   70  touch -d "19:19" xiaoqi 
   71  ls -l
   72  mkdir -p /root/Desktop/1/1/1/2/3.4
   73  ll
   74  cd 1/1/1/2/3.4/
   75  ll
   76  cd -
   77  ll
   78  cp asd.sh haha/
   79  ll
   80  cd haha/
   81  ll
   82  cp asd.sh ../
   83  cd ..
   84  ll
   85  cd haha/
   86  ll
   87  cp asd.sh ../
   88  cd ..
   89  ll
   90  rm -fr asd.sh 
   91  cd haha/
   92  cp asd.sh ../
   93  ll
   94  cd ..
   95  ll
   96  history