udacity operating systems

One. Use the Clonezilla live backup disk to make the image. Starting two PCs, using Samba_server, the following assumes that you want to back up the PC1 disk to make a mirror, the image is stored on the PC2 disk1. Create a folder in PC2 and set it to share (Everyone Read/write permissions) and make sure that you can link to the shared folder in PC1.2. Start DRBL in PC1, enter DRBL after running Clonezilla live, select Save-disk, save in Samba_server. The next step is to configure Samba_server IP

Before always with 32 bit of win2003 do server, suddenly changed to R2, cause some program incredibly can't run, hint sqllite 1.0.66 dll can't findAgain the download, but also recompile, and finally found that the project is a reference to SQLite, the use of any CPU compiled, resulting in 64 bits, no way to load SQLite DLL,Suspect 1.0. Version 66, maybe only 32 or something.Finally, change the project to x86, then recompile, no problem.Program issues for 32-bit and 64-bit

I believe that when you open some files in windows, the text is accumulated together and the sentences are filled with a black rectangle. In fact, this is a problem caused by different operating systems with different line breaks, I once wrote a simple small program to convert these files into a normal line feed file. The source code is available for you to download from the resource. So why is this problem

STR: = '2017-4-13 06:22:22 '; Strtodatetime (STR ); Symptom: no error is reported in WINXP or win2003. However, in Windows 7 and Windows Server 2008, the error 'xxx' is not a valid date and time is reported. Later, we found that the default short date styles for different operating systems were different. In WINXP and win2003, the default short date style is XXXX-XX-xx. In Windows 7 and Windows Server

. Time constraints: If a command in the program is executed, the command may be executed again soon. If a data is accessed, the command may be accessed again soon. 2. Space limitations: Once a program accesses a certain storage unit, the nearby storage unit will be accessed soon, that is, the address accessed by the Program within a period of time, it may be concentrated within a certain range. A typical example is sequential execution. Virtual Memory Definition It refers to a storage system wi

The freedos project started in 1994, and Microsoft released Windows 95 and stopped supporting MS-dos. Jim hall started working on this open-source operating system at that time. Freedos is based on the gnu gpl protocol, so programmers can To develop new software without relying on MS-DOS. Download the beta9 Service Release #2 distribution: (Updated 5/2006) Please read the release notes.As of December 2005, an updated official freedos distribution wil

default byteTimestamp: Last Modified timeAccessModify: ContentChange: Properties-D: View catalog files-A: View all files (including hidden files starting with.). Represents the current directory: represent the parent directory-H: Unit conversion-A: Do not display. All files beginning with-I: Displays the index node number of the file-R: Show files in reverse order-R: Recursive display of filesCD: Switch directoriesCD-: Switch back and forth in the current and previous directorycd~: Switch Home

-rw-r--r--2 Oracle Oinstall 0 APR 08:11 F19797648-rw-r--r--2 Oracle oinstall 0 APR 08:11 F29797649 lrwxrwxrwx 1 Oracle oinstall 2 APR 08:11 f3-F1As can be seen from the above results, the hard connection file F2 the same as the inode node of the original file F1 , both 9797648 , however, the symbolic connection file Inode nodes are different. [email protected]]$ echo "I am F1 file" >>f1[email protected]]$ cat F1I am F1 file[email protected]]$ cat F2I am F1 file[Email protected]]$ cat F3I am F1 f

of the lightDD Delete a whole rowD Digit D Deletes the number of rows specified by the numberD number up on key to delete specified number of rowsYW copy the word where the cursor is locatedYL Copy the letter of the lightYY Copy a whole lineP PasteY number y copy number of rows specified cw clipping cursor word cl clipping light in the same letter cc cut a whole line C number c cut number of lines specified When cut is finished, it goes into insert mode. To paste exit Insert mode a

the command function, which may include the meaning of each optionOptions: Explaining the meaning of each optionFiles: The configuration file associated with this commandBUGS:EXAMPLES: Using the exampleSee ALSO: Another referenceFlip Screen:Turn back one screen: SPACETurn One screen forward: bTurn back one line: ENTERTurn One line forward: KFind:/keyword: BackwardsN: NextN: Previous？ KEYWORD: ForwardN: NextN: PreviousQ: ExitOnline Documentation:Info COMMANDDocument:/ust/share/docGooglePractice:

each user in the current system and the process information it is running--LAST,LASTB last command is used to query the user record that successfully logged on to the system, and the most recent logon situation will be displayed at the frontLASTB command used to query logon failed user records Linux rescue enter first aid mode touch create empty file Badblocks detect bad path of disk ifconfig view network interface address hostname View host name netstat view network connection Case Route View

Problem 2006 years, 2005 to go, the new Year should be old, but I played a lap vs2005 and played back, and began to play vs2003. and played back the Windows program. Using, net to develop Windows programs to the first strokes, in fact, should not be considered development, It's supposed to be maintenance, because project has already been formed, and it's starting to uat. And I'm just an observer. But still a little harvest, write down for nostalgia and others to learn from. My Chinese XP system

1 What is an operating systemOperating system is located between the computer and application software, is a coordination, management, control of computer hardware resources and software resources of the program2 Why do I have an operating system?1. Control the hardware. 2, the complex operation of the hardware package into a beautiful simple interface, to users or applications to usea complete set of compu

Since the electronic equipment gradually entered our life began, as long as the "domestic" with the side of the matter has been very affecting the people's hearts. For example, a few days ago, the Chinese Academy of Sciences Software and Shanghai Lian Tong Company jointly released the so-called with independent intellectual property rights of the COS (China operating system) systems, it caused a exclaim. Th

Instructions for installing different versions of SQL database on various operating systemsSQL2000 database, small files, installation settings are more convenient, application software using SQL2000 database, running faster, but also relatively stable. The SQL2000 database is also relatively smooth to install on operating systems such as XP, WIN7 (32-bit or 64-b