Linux Command terminal prompt-bash-4.2 # solution,

Linux Command terminal prompt-bash-4.2 # solution,

Address: http://blog.csdn.net/liulihui1988/article/details/52796395

The terminal prompt displays-bash-4.2 # instead of the root @ host name + path display method.
The cause is that several configuration files under/root are lost, and the lost files are as follows:
1. bash_profile
2. bashrc
These files are essential to every user.
Run the following command to copy the configuration information from the master default file to the/root directory.

Cp/etc/skel/. bashrc/root/cp/etc/skel/. bash_profile/root/

Log out of the root account and log on again.