Summary of linux instruction learning~~~

                     Summary of linux instruction learning~~~

Directory operations:

mkdir $HOME/testFolder (creates a directory)

cd ./testFolder(cd $HOME/testFolder) (switch directory)

cd .. (change to parent directory)

mv $HOME/testFolder /var/tmp/ (moving directory)

rm -rf /var/tmp/testFolder (remove directory)

ls /var/tmp (view the files in the directory)

File operations:

 touch ~/testFile (create a new file)

ls ~ (see the newly created testFile file)

cp ~/testFile ~/testNewFile (copy new file)

rm ~/testFile (delete file)

cat ~/.bash_history (a very important command, check the typed commands)

filter, pipe, redirect