在 Ubuntu 16.04 上操作的...
APT 命令帮助
~# apt --help
apt 1.2.24 (amd64)
Usage: apt [options] command
apt is a commandline package manager and provides commands for
searching and managing as well as querying information about packages.
It provides the same functionality as the specialized APT tools,
like apt-get and apt-cache, but enables options more suitable for
interactive use by default.
Most used commands:
list - list packages based on package names
search - search in package descriptions
show - show package details
install - install packages
remove - remove packages
autoremove - Remove automatically all unused packages
update - update list of available packages
upgrade - upgrade the system by installing/upgrading packages
full-upgrade - upgrade the system by removing/installing/upgrading packages
edit-sources - edit the source information file
See apt(8) for more information about the available commands.
Configuration options and syntax is detailed in apt.conf(5).
Information about how to configure sources can be found in sources.list(5).
Package and version choices can be expressed via apt_preferences(5).
Security details are available in apt-secure(8).
This APT has Super Cow Powers.
常用操作
apt update & apt full-upgrade更新软件源后升级软件和系统.apt install <packname>安装某项软件包apt clean清除apt update后形成的软件包缓存,缓存大小可用du -sh /var/cache/apt/命令查看apt autoclean清除已卸载的软件包,就是把下载并安装又卸载了的软件的安装文件从硬盘中删除apt autoremove删除那些为满足其他软件依赖而安装的,但现在不需要的软件包apt remove <packname>删除指定的软件包,但保留配置文件等apt purse <packname>删除指定的软件包,同时删除配置文件,会删的比较干净,所以叫purse