Ubuntu is a predominantly desktop Linux operating system, its name from the southern African Zulu or hausa "Ubuntu" is a word (for my help or Ubuntu), which means "human nature", "I exist because of the existence of all", is one of Africa's traditional values, similar to the Chinese society of "benevolence" thought, Ubuntu is based on Debian distributions and the GNOME desktop environment, with Debian different is that it can release a new version every 6 months, Ubuntu's goal lies in for the general user to provide a new, at the same time, fairly stable mainly constructed from the free software operating system, Ubuntu has a large community power, user can easily get help from the community,
Both as individuals and small groups are commonly used in the current version of the operating system service level, to provide online repositories can easily installed into a lot of open source software and libraries, both using bash shell as a foundation, based on command, so in a lot of ubuntu with centos difference is not obvious, and the ubuntu desktop interface to do even better, a lot of people if from your interests and learning Linux is generally preferred ubuntu, after all, many people are used to operating under the desktop graphic, centos with ubuntu habits and still have a lot of different commands, simple enumerated below:
1. New non-root users in centos is no sudo permissions, if you need to use sudo permissions must join in the/etc/sudoers accounts and permissions, so switch to the root account when you just need to input: su, join the root account password,
In Ubuntu, generally use sudo + command, if it is the first time use will be prompted to enter the current user's password (rather than the root password)
2. Install the software online, using the centos is yum command, and used in the ubuntu is apt to get the order, in addition the yum has a search from the software sources touch software methods: yum search + software name
3. Centos comes from the redhat, so centos support the installation of RPM, while ubuntu is clearly doesn't support,
4. After all, is different distributions, different companies do a lot of the location of the configuration files and the default file path have very big distinction, the need to use in the process of slowly realized,
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