Mac查看与修改系统默认shell 查看所有shell cat /etc/shells 输出: # List of acceptable shells for chpass(1). # Ftpd will not allow users to connect who are not using # one of these shells. /bin/bash /bin/csh /bin/dash /bin/ksh /bin/sh /bin/tcsh /bin/zsh 这表示目前系统下有7种版本的
一.centos默认运行级别 下面是linux的默认运行级别.vim /etc/inittab即可查看. # Default runlevel. The runlevels used are: # - halt (Do NOT set initdefault to this) # - Single user mode # - Multiuser, without NFS (The same as , if you do not have networking) # - Full multiuse
centos 7 修改系统屏幕分辨率,命令方式和图形方式的修改方法. 命令:xrandr 通过命令 xrandr 修改系统的分辨率,输入xrandr: bash [admin@localhost ~]$ xrandr Screen 0: minimum 1 x 1, current 1366 x 768, maximum 4096 x 4096 Virtual1 connected primary 1366x768+0+0 (normal left inverted right x axis y