Quiz Series 2014

1. How does CentOS uninstall software

Yum Remove name

2, Linux general installation software method with source

Tar xvzf xxxxxx.tar.gz
cd ImageMagick-6.8.9
./configure
make
sudo make install

3. Linux View environment variable path

Echo $PATH

4, modify the folder and its sub-file permissions, read and write execution permissions

Chmod-r  777 Public

5. View the permissions of files in the current directory

Ls-ali

6. How to extract TAR.XZ files

xz-d python-2.7.8.tar.xz
Tar xvf python-2.7.8.tar

7. How Linux Deletes folders

RM-RF node-v0.10.31

8. What does the echo xx >> xx in linux mean?

Append string to file text, example
echo ' abcdef ' >> test.txt