galaxy tab operating system

.tree: External commandFunction: Display the contents of a directory using a tree-like structure listFormat: Tree [option] ... [Directory ...]Common options:-A: Shows those with "." or ".." The hidden file that starts with the default tree cannot be displayed when the-D: Show only directory names-L: Do not allow recursive querying of directory Symbolic links-F: Each file is to be displayed with an absolute path-X: Just stay on the current file system-

Variables for shell scripts and regular expressions I. VariablesMeaning: The operation of a program is a variable of some column state, which is represented by the change of variable value.Naming rulesStart with a letter or underscore, and the rest can be: letters, numbers, underscores.It is advisable to follow the following specifications:1. Start with a letter2. Connect the words with an underscore or an underscore3. Differentiation of the same type with numbers4. The best name for the file pl

Knowledge Point Analysis: Due to the Win7 home version of the operating system, the desktop right menu does not have the "personalized" option, so the home version of the operating system and the home Advanced edition of Professional Edition, the flagship operating

Recently encountered an issue where Windows server 2012R2 could not be activated, the problem is that every time you run an activation or activation command, an error occurs: 0xc000022 on a computer that is running a non-core version of Microsoft Windows.Solution:1, open C:\WINDOWS\SYSTEM32\SPP, find the Store folder, and then see if there is a folder named 2.0 under the Store folder, if present, please go directly to the 2nd step, if not present, press the WIN+X key, Open a command prompt (admi

generally not calm. Pictures for demo only 　　 3, no resource-consuming SQL, this is the most reluctant DBA to see the results, because perhaps SQL Server from internal or external pressure, so that they spend too much time to deal with the operating system communication. The performance problems of SQL Server's common query-inefficient classes, most of which come from memory or hard disks, sometimes requ

Tags: terminal name process text input substr PID proc Linwhere q.address = s.sql_addressand Q.hash_value = S.sql_hash_valueand s.paddr = P.addrand exists (select SIDFrom V$lockwhere Block=1 and Sid=s.sid);If you are prompted no rows select (No row selected), then there is no business aspect of the lock, the current lock does not affect the normal operation of the business system, if you have these prompts, indicating that the existing lock has affect

to enter, any character entered as nonalphanumeric as the inserted characters Last-line mode: In command mode, press: Enter, perform file-level or global operations, such as save file, exit editor, etc. Basic operation of 2.VI1 Basic Operations2 The following operations operate in the last-line mode:3 : Q Exit VI (q! do not save forced exit)4 : W Save (Wq Save and exit)5 : x Save Exit6 : X Encryption Save Exit7 : U undo Operation8 : Save SaveAs as9 Ten The following operations operate

The project resource file of VC carries the copyright information, and the string usually generated is similar Value "legalcopyright", "(c) Microsoft Corporation. All Rights Reserved. \ 0" Right-click the compiled EXE file and check that the attribute has a version tab page. The string is displayed on it. View some DLL and exe files in windows. If the language in the version information is Chinese, use (c) instead of the copyright symbol. If it is

Win10 How to query the build version (kernel version):1. Press Win+r to start the "Run" window, enter "msconfig" and determine2. Click the "Tools" tab in the "System Configuration" window, select "About Windows" and click "Start" button3. The "About Windows" window specifically shows the build number of the currently used Windowsor cmd command: winverVersion format: Start date-Service End DateMicrosoft Wind

(must be 0xf0)Dw9 ;fat Length (must be 9 sectors)Dw - ;1 tracks with several sectors (must be)Dw2 ;number of heads (must be 2)Dd0 ;do not try the partition (must be 0)Dd2880 ;override disk Size onceDb0,0, 0x29;fixedDD 0xFFFFFFFF;(may be) Volume code labelDb"Hello-os" ;Name of the disk (11 bytes)Db"FAT12" ;the name of the disk format (8 bytes)Resb - ;empty 18 bytes First;Program CoreEntry: MOVAx0

In the windows2000/xp/2003 version, the operating system provides shared functionality by default, which is implicitly shared by all, meaning implied, including all logical disks (c$,d$,e$ ...). and system directory Wimit or Windows (AdminS). This function is designed for the convenience of network management, but the function of the user has brought a lot of sec

Msconfig program window, Here you can easily remove some of your own programs (Figure 1) in accordance with your needs! However, if you can't find a friend with Windows 98 around, you can also download it on the web, which recommends a Msconfig program that is stripped of Windows XP and is fully available in Windows 2000. Figure 1 [Operating Systems] multi (0) disk (0) rdisk (0) partition (1) \winnt= "Microsoft Windows Professional"/fastdetect Cha