debian10 彩色化命令行

编辑
vim /root/.bashrc

   eval "`dircolors`"
   alias ls='ls $LS_OPTIONS'
   alias ll='ls $LS_OPTIONS -l'
   alias l='ls $LS_OPTIONS -lA'
PS1='${debian_chroot:+($debian_chroot)}\[\033[01;31m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
 umask 022