CentOS7 root user, general user switching vim and vi
Problems encountered
Vi and vim in CentOS7 there are two kinds of editors, vim is fully functional, vi is equivalent VIm version of castration, there will be some small problems vi unpleasant to use. For example: When using VI, appears in edit mode, press the up, down, left, right arise where A, B, C, D letters; another example, also in the use of VI, in edit mode, delete the spacebar the problem can not be used. When using vim the above problem does not arise.
Solution (ordinary users)
Among CentOS 7, due to the general account default vi vim has been replaced, and therefore have to enter an absolute path to execute the job!
vi vim and location in the system
Compare vi text editor vim and ordinary users
vi text editor
Use ordinary users need to enter vi vi absolute path
vim text editor
Among CentOS 7, due to the general account preset vi vim been replaced, use the same correlation of vi and vim
root user Solution
Comparison of vi and vim text editor as root user
vi text editor
The default root user to use when using the vi command emasculated version of vim
vim text editor
Use vim can avoid many errors in the root user, it is recommended to use vim in the root user