How to create a universal dos boot disk! (Floppy disk + CD + USB disk + hard disk + NTFS + Emergency utility)This article is transferred from arong. The copyright of this article belongs to the administrator of the Arong Software Forum, nnmm.First, describe how the various o
First explain the various operating systems to boot to the DOS path:
Win9x system: After the boot press F8, select the 5th entry, you can enter the system with the basic dos7.x environment.
2K/XP/2003: The system does not come with DOS, it needs a DOS boot disk or a virtual floppy drive to get the DOS environment.
This article introduces 4 kinds of DOS boot disk production methods, 4 kinds of Startup
First, describe how the various operating systems start to DOS:
WIN9x system: Press F8 after the system is started, and press enter for the first item to enter the basic dos7.x environment that comes with the system.2 K/XP/2003: the system does not have a built-in DOS, And the DOS environment needs to be obtained through the DOS boot disk or virtual soft drive.
This article describes how to create four DOS boot disks. The basic program files that exi
Latest dos boot drive (graphic version) V1.0 (floppy disk + CD + USB disk + hard disk + NTFS + Emergency utility)
Various dos boot disks (graphic version) V1.0
I. Preface:
DOS is a little difficult, mysterious, and far-fetched for people who have been familiar with computers since the Windows age. However, it cannot b
If your Mac has been in use for some time, or if something happens, then using your Mac's disk utility for first-aid self-test and repair is a very necessary thing, and here's a new friend about how to self-test and fix disks on your Mac.
Open the application first-use tools-disk Utility
After opening the
If your Mac has been in use for some time, or if something happens, then using your Mac's disk utility for first-aid self-test and repair is a very necessary thing, and here's a new friend about how to self-test and fix disks on your Mac.
Open the application first-use tools-disk Utility
After opening the
Adhu (ASM Disk Header Utility) is one of the three major restoration artifacts of oracle asm, kfed, and amdu, which are not vigorously promoted by oracle (an internal tool ), with the enhancement of the kfed function and the improvement of the automatic backup function of asm disk headers, adhu oracle basically stops development support and can be used as a
Mac disk (removable hard disk) repairMac on the exFAT format of the mobile hard disk, do not know what the reason, unable to load the windows can be used normally.There are two sets of disk repair methods on your Mac,-Disk Utility
saving changes
R Recovery and Transformation options (experts only)
s sort partitions
t change a partition ' s type code
V Verify Disk
W Write table to disk and exit
X extra functionality (experts only)
? Print this menu
Enter r to enter recovery mode
Recovery/transformation Command (? For help):?
Recovery/transformation Command (? For help):?
b Use Backup GPT
Several days ago, we discussed gt5 (a disk utility with a graphic front-end ). Next, we will continue to introduce this command series: du replacement command. Today we will discuss a ncurese-Based Disk utility that can be run remotely without a graphical environment. The command line tool we want to introduce is calle
There are many ways to encrypt an existing folder, and here is a way to use the system's own disk utility, which is very handy:
1. Use Spotlight to find "disk Utility" and open
2. In the top left [file] drop-down menu--new--the disk image of the folder
3. Select the fol
Although gradually Mac notebooks basically farewell to the built-in CD-ROM era, with the popularization of the network, the use of the opportunity to the CD-ROM is gradually less, but sometimes it will inevitably require optical drives, such as two of goods publishing house with the book CD ... We can use the USB external optical drive to extract the contents of the CD-ROM to the ISO file saved to the computer, so that it can be read at any time or re-burn to disc.The disc image extraction funct
the usage status of memory and swap-M: in megabytes-G: in gigabytesMkswap: Creating Swap partitionsmkswap [option] DEVICE-L ' LABEL 'Swapon: Enable swap partitionswapon [option] [DEVICE]-A: Activate all swap partitions-P Priority: set its precedence;Swapoff: Disable swap partitionswapoff [option] [DEVICE]A view of space occupancy information such as file systems:Df:disk Free-h:human-readableNumber of-i:inode-P: Output in POSIX-compatible formatDu:disk usage-h:human-readable-s:summaryFile system
SQLIOSim is a simulation of SQL Server behavior to test IO performance.This is a tool that comes with SQL Server 2012 after installationGenerally in C:\Program Files\Microsoft SQL Server\mssql11. Under the Sql3\mssql\binn directoryYou can also use the search function directly to find SQLIOSim to get directly.If you do not install SQL Server, you can also use the following address to obtainhttp://support.microsoft.com/kb/231619Http://support.microsoft.com/kb/234656/zh-cnHow to use the SQLIOSim
single-user mode]Before starting, press ESC to enter the bottom screenSelect "CentOS (2.6.18-92.EL5)" and press the E key to enter the bottom screen.Select "Kernel/vmlinuz-2.6.18-92.el5 ro root=label=/rhgb quiet", press the E key, add a space 1 on the last side.Press ENTER to return to the bottom screenPress the B key to enter the bottom screen (single user mode)sh-3.2# Rear Input Vi/etc/inittabModify Id:6:initdefault: = = Id:5:initdefault:, saveEnter reboot and you will be able to enter the Li
Although gradually Mac notebooks basically farewell to the built-in CD-ROM era, with the popularization of the network, the use of the opportunity to the CD-ROM is gradually less, but sometimes it will inevitably require optical drives, such as two of goods publishing house with the book CD ... We can use the USB external optical drive to extract the contents of the CD-ROM to the ISO file saved to the computer, so that it can be read at any time or re-burn to disc.The disc image extraction funct
ExtendedP primary partition (1-4)L LogicalP Print the partition table interchange partition tables in interactive modeQ Quit without saving changest change a partition ' s system IDW Write table to disk and exitExample: Sequential input m-e-p partition(4), parted command(parted-a partition Manipulation program)Parted:parted is GNU, there is an advanced partitioning tool that takes effect in real time, preferably without.parted [options] [Device [comm
grown:Private Boolean journalrebuildrequired () {final int redundantopcompactthreshold = 2000; return redundantopcount >= redundantopcompactthreshold// redundantopcount >= LRUENTRIES.SIze (); }Some operations traverse Valuecount, a value that represents multiple caches under the same key, such as a picture that can be divided into large and small, which is valuecount.(The code is derived from the Lrudiskcache in Xutils, which is clearly more complete than the Disklrucache in the Android website
Disk formatting can be divided into low-level formatting and advanced formatting. Low-level formatting is applicable to hard disks. It can clear all data in the hard disk, including the master boot records, DOS boot records, and p
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