unix and linux commands

] ~]#/etc/profile or [[email protected] ~] #source/etc/profileMake the change effective, if there is no error stating the success.Verify that there is data in the log[Email protected] ~]# More/var/log/201107.log2011-07-21 17:29:08 ##### Root PTS/2 (192.168.23.250) # # # # # # # /etc/profileYou can see that there's already data inside.You can also usePrompt_command= ' {date ' +%y-%m-%d%T ##### USER: $USER IP: $SSH _client PS: $SSH _tty # # (History 1 | {read x cmd; echo "$cmd";}) ";} >> $HISTORY

What is Linux? What is the difference between it and UNIX? Most of the reasons for this question are that you went to the lab when you were a freshman and saw a senior student answer questions on a machine with a large screen. You looked at him with envy, q: "What is this computer, so advanced?" He said proudly, "this is Unix ". Later, you know much about it. You

Article title: comparison between Linux kernel and traditional Unix kernel. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. All Unix ker

Oracle Learning Starter Series III UNIX, Linux history and fundamentalsFinally over the previous two, drink a cup of coffee to carry God, we continue to move forward. This time we have to carry out the operating system knowledge, considering the current time of the operating system diversity, variability, and so on, Toad weighed, decided or unix/

Unix exists before posix, while linux exists after posix. At first, linux was a copy of minix, which is the same as many linux software. linux is a branch of unix, other branches include freebsd, etc.

The Unix Linux experience has updated many versions. I personally think that the Unix Linux experience is very good for file systems. I would like to recommend this to you. Today, the technology is constantly updated and all kinds of files used have been eliminated. I think there is still a very good experience such as

Are you looking for high-quality Linux and UNIX tutorials? If yes, this article will tell you where to find these tutorials. Here we will give more than 30 Are you looking for high-quality Linux and UNIX tutorials? If yes, this article will tell you where to find these tutorials. Here we will provide over 30 excellent

Before reading, please take 30 seconds to view the preface (in the first and second chapters) UNIX Linux University tutorial-Chapter 1 and II study notes about UNIX what is Linux? What is UNIXUNIX Linux University tutorial-Chapter 3 and Chapter 4 Study Notes

. Start the terminal40. Enter the pathwatermark/2/text/ahr0cdovl2jsb2cuy3nkbi5uzxqvaxrjyxn0y3bw/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/ Dissolve/70/gravity/southeast "/>41. Compile and run42. Write a C + + code 1,CC43. Print statements, C + +44. Print out the results45. Drive HelloWorld#include #include Module_license ("Dual BSD/GPL");//Follow the Linux protocolstatic int hello_init (void){PRINTK (Kern_alert "Hello, world\n");//Print driver info

Article title: Unix, Linux, Win vs. server market. Linux is a technology channel of the IT lab in China. Some basic classification server markets, such as desktop applications, Linux system management, kernel research, embedded systems, and open source, are now growing with the development of small and medium-sized ent

Because of the well-known stability and reliability of Unix operating systems, the computers used to provide a wide range of Internet services run a large percentage of Unix and Unix-like operating systems, requiring a large number of skilled UNIX-type operating system applications. The most common

What is the relationship between 1.UNIX and Linux?A: Unix was born in the Bell Lab in 1969 and is a multi-user multitasking operating system. Originally written in assembly language, and then rewritten in C. UNIX is highly dependent on hardware and is a non-open source commercial operating system.Linux is a 1991 Finnis

Development historyUnix: first developed by a great God at Bell Labs to play Star Trek gamesMinix: Because Bell Labs charges closed source is not available, a professor based on UNIX-developed MinixLinux: The father of Linux Linus developedLinux is divided intoKernel version: the most core versionRelease: The kernel uses the Linux operating system, packaging pers

How to Learn C language in UNIX/Linux, unixlinux I. Tools "To do good deeds, you must first sharpen your tools ". Programming is a very practical job. In your future studies or work, you will often deal with the following tools. The following lists the software and tools that are often used to learn C programming. 1. Operating System It is easy to learn C in UNIX

Date: 2009.5.8 Friday Content: Unix standardization and implementations (UNIX standardization and implementation) I. Partial abbreviation Anis: American National Standards Institute ISO: International Organization for Standardization International Standardization Organization IEC: International Electrotechnical Commission International Electronic Technology Commission Ii. header files defined in ISO C

As Linux quickly replaces Unix on the server platform, Unix veterans will find many differences between Linux and Unix. The idea behind any Unix version is that the vendor provides customers with all the complete services. In

practical work, in your future study or work, you will often deal with the following tools, listed below are learning C language programming often used in software and tools. (i) Operating system Learning C in a UNIX or Linux system is convenient, so please select a UNIX or Linux operating system before starting you

UNIX Linux University Tutorials-First to second chapter learning notes Unix Introduction what is Linux? What is UNIXUNIX Linux University Tutorials-third to fourth Chapter learning notes UNIX connections Getting Started with

use, and for TCP and UDP, the workflow is exactly the same as the network socket above.So, let's take a look at how to create and use our Unix local sockets through these APIs, and what the difference is between them, and then experience it through a simple sample program. Creating Sockets The first is the creation of the socket. Also use the socket () function. But its first argument domain is no longer af_inet or pf_inet, but Af_unix, which repre

In unix and linux, the chmod command is used to change the permissions of files and directories. This is a must for unix and linux users to be familiar with many In unix and linux, the chmod command is used to change the permissio