debian 10 free 命令不存在的解决方法

debian 10 free 命令不存在，通过安装 procps 可以解决

apt-get install  procps
Reading package lists... Done
Building dependency tree
Reading state information... Done
procps is already the newest version (2:3.3.15-2).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

查看详细信息

dpkg  -L procps | grep free
/usr/bin/free
/usr/share/man/man1/free.1.gz

dpkg -L procps 可以查看这个软件包中的详细信息