Author: Technology Achievement dream
Link: http://ixdba.blog.51cto.com/2895551/533740
1. System Operation Level Windows has two different operating levels: safe and normal. Similarly, Linux has a system running level, and the operating
Linux Startup Process (transfer)
The introduction to the Windows Startup Process is rare. All users who have used Linux may notice that when a computer is started, a lot of information appears on the screen. In general, we can see this
Linux is a multi-user and multi-task time-sharing operating system.
UserYou must first apply for an account from the system administrator and then enter the system as this account. The user's account helps the system administrator
UserTracking and
Linux Introduction First, Linux preliminary introduction
Advantages of Linux
Free, open-source
Multi-threading, multi-user support
Good security
Superior in memory and file management
System stability
First, Linux preliminary introduction
Advantages of Linux
Free, open-source
Multi-threading, multi-user support
Good security
Superior in memory and file management
System stability
Consume less resources
Fourth Chapter Initial Entry into the Linux World"Linux system boot Process "Linux starts up in a similar way to the Windows startup process, but Windows doesn't see the boot information, and when Linux starts we see a lot of startup information,
PS: For its 10 days or so the Linux training is coming to an end, ahead of schedule, in order to better pass after the exam, read more exam questions and knowledge points in advance. This is a post that you see in the Chinaunix forum, posted to
Guide
As we all know, the Windows system has a disk snapshot function, in windows2003 system recovery begins to rely on a service called the Hard disk Snapshot service (Volume Snapshot service), He was able to automatically create system
Name: crontab
Use Rights: All users
How to use:
crontab file [-u user]-replaces the current crontab with the specified files.
Crontab-[-u user]-replaces the current crontab with standard input.
crontab-1[user]-lists the user's current crontab.
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.