Cent 7 - File and Folder Locations

Repo lists:

cd /etc/yum.repos.d

Vim:

vim ~/.vimrc

Bash:

vim /etc/bashrc

Swap file:

vim /etc/sysctl.conf

vm.swappiness=5
vm.vfs_cache_pressure = 50

Change startup services:

cd /usr/lib/systemd/system/

ZNC:

vim /var/lib/znc/.znc/configs/znc.conf