Vim text editor and Yum Setup

RPM-IVH Software Name-version information-.rpm (install software)
RPM-Q software name (see if the software is installed)
RPM-E Software name (uninstall the switch)
Because RPM has dependencies and Yum just solves this problem

Create/Modify text files with vim
Vim Text Editor
Command mode (i) Insert mode (CTRL +:) last line mode
In the last line mode, enter: Wq Save and exit
Input: q! Force exit
VIM Command mode (digital) +yy Copy the number of these lines, p paste
In vim command mode, DD deletes the cursor in the row
Vim Command mode capital C Delete the file following the line where the cursor is located
Vim Command mode O another line
VIM Command mode u undo the current operation

Yum's Build text path (/ETC/YUM.REPOS.D/*.REPO)
Configuration:
Vim/etc/yum.repos.d/*.repo
[] Warehouse Name
Name= Warehouse Description Information
baseurl= Specifies 、、、 as the service side
enable= 0 off, 1 open service
gpgcheck= 0 does not open signature authentication, 1 open signature authentication

Yum Clean all clears the cache
Yum repolist Column Warehouse
Yum-y Install software name (Installation software)
Yum-y Remove software name (uninstall software)

Vim text editor and Yum Setup