It is also possible your system administrator does not permit you (or did not put you in the group of users who have sudo permissions) to ... ... <看更多>

Since you're using CentOS 5, the default package manager is yum , not apt-get . To install a program using it, you'd normally use the following command: ... <看更多>

Steps to reproduce. Open powershell; Run any commands like apt-get and see that it doesn't exist. Windows PowerShell Copyright (C) ... ... <看更多>