how to uncompress files

Comment field is empty, without any impact. The shell field contains an executable program name, which is used as the Login shell of the user. If this field is blank, the default value is/bin/sh. Note: If this field of a logon item is/dev/null, it is obviously a device and cannot be executed. Therefore, the purpose of using this field is, prevent anyone from logging on to the system in the name of this user. In addition to use, there are several alternative methods. A common method is to use

Tags: style blog color io os using AR for fileTemporary tablespace files, log files, and password files are non-critical files because they are missing and do not affect the integrity of the entire database.However, when these files are lost we need to retrieve these

files.Syntax format: gzip option parameterCommon options:-A or--ascii: use ASCII text mode;-D or--decompress or----uncompress: unpack the compressed file;-F or--force: Forcibly compress the file. Ignores the existence of a file name or a hard connection and whether the file is a symbolic connection;-L or--list: Lists information about compressed files;-N or--no-name: When compressing a file, the original f

Tags: RAC des function Apache SDN socket link character userWhat is the lsof command? You can list information about the files that are opened by the process. The files that are opened can be1. Common files, 2. Directory 3. File of the network file system, 4. Character device file 5. (function) shared Library 6. Pipelines, Named Pipes 7. Symbolic Links8. Bottom s

When you develop a C + + program using Visual Studio 2010, you will find that some strange files are created, such as a folder called Ipch, and a. sdf file with the same name as the project, and ipch the following files and. sdf files are large, at least 10M, large items may exceed 100M, what are these files for? These

view Dba_free_space, you can understand the idle partitioning of the tablespace. Select tablespace_name,file_id, block_id,bytes,blocks from dba_free_space; ALTER DATABASE datafile ' F:\SQL\USE0101.DBF ' resize 100m; To modify the auto-extended properties of a data file Autoextend Table Space State Properties By setting the Tablespace state, you can limit the availability of data Offline offline: Unable to access data in table space, this time can be upgraded and maintained Onli

Tags: binary creation Technology share node link file multiple source files Ges Soft LinksFirst, special authority Set_uidCan only be used for binary executables, which allows the user to temporarily have the permissions of the file ownerFor example: Normal does not have root permission, but the command to change password passwd and need root permission, so, passwd command is given Set_uid permissions, so that ordinary users can temporarily get root p

The first step is to prepare a database: We need to set the binary field to the Blob type, and select the appropriate Blob type based on the file size. The following figure shows the size of each Blob type that can accommodate binary files. Four BLOB types in MySQL Type size (unit: bytes) TinyBlob Max. 255 Blob Max 65 K MediumBlob up to 16 MB Up to 4 GB LongBlob The specific operation code is as follows: Copy codeThe Code is as follows :/** * * Store

Can be used to empty directories or files, as follows: 1, first set up an empty directory mkdir/data/blank 2, remove the target directory with rsync rsync--delete-before-d/data/ blank//var/spool/clientmqueue/ so the target directory is quickly emptied If you have some very large files to delete, For example, nohup.out such as real-time update of the file, at every turn dozens of g on hundreds of G, can

Sample Code for uploading and viewing SpringMVC files, and uploading springmvc files Preface When talking about file upload, we should first talk about the business logic. If all uploaded files can be viewed (such as advertisements or banner on the homepage), we will put the images in the static resource area (with css, in js), if the file is protected (for examp

We know that thinkphp has public function files and configuration files, in the common directory, the default common/function.php is a public function file, conf/config.php is a public profile. OK, so how do you customize other public functions and configuration files? Here we have to talk about two configuration parameters Load_ext_file and Load_ext_config.1. Lo

How php converts text files to csv files This article mainly introduces how php converts text files to csv files. It is a very practical technique to implement the function of converting text files to output files through inherita

The AirDrop feature in the Mac makes it easy for you to wirelessly send files from your Mac to people around you who use iOS devices to share photos, videos, locations, and more. So how do Apple devices share files and send files through airdrop? And you don't have to connect to the same network to transfer files, and

Tags: Content creation nbsp file multiple reserved link file access permissions directoryUsage: CP [options] ... [-t] source file destination fileOR: CP [options] ... Source file ... DirectoryOR: CP [options] ...-t directory source files ...Copy the source file to the destination file, or copy multiple source files to the destination directory.? -F If the destination file cannot be opened remove it and try

has been doing the C + + related development work. Suddenly one day on the rise, want to learn Java development. And then find a simple Java tutorial online, Getting started is enough. See the file IO Chapter, recall the previous use of C + + to delete files or directories of the exercise, so I intend to use Java to implement this function. This thought is very simple function, still encountered some problems. Carefully analyze the code and navigate t

After a long time, the machine will become more and more cards, the main reason is because the Win7 system under the C disk storage of a large number of files occupy the memory, in fact, many of the files in C disk can be deleted, how do we know? Quickly follow the small knitting to learn how to determine which files can be deleted. The method is as

: Prepare to compile the script, if the name is: setup.py The code is as follows: From Distutils.core Import Setup Import Py2exe Setup (windows=[' hello.py ']) Step three: Run the command: setup.py py2exe The code is as follows: d:temp>setup.py Py2exe After running, the Dict directory is generated by default in my currently running directory (D:TEMP) with the following files: By default, Py2exe creates the following required

Widows vs . Linux for stealth files and non-stealth filesfor windows , it itself has some hidden files, in order to prevent some novice accidentally the computer's main files deleted, there is a few you do not know the back door. Some of our classmates will use it for this. features do some privacy things? For example, some

Does a Mac user know how a Mac copies files to another location? What I want to share with you today is how do Mac copy files to other locations? Interested can learn the next.650) this.width=650; "src=" Http://pic.cr173.com/up/2017-6/2017061209350698581.png "style=" Height:auto; vertical-align:middle;border:0px; "alt=" 2017061209350698581.png "/>Mac copy files t

I believe that when you submit a file using Eclipse's Git plug-in, There is a problem with the possibility of accidentally submitting unnecessary documents (such as the. project,.classpath file or the. Settings folder and the files below), and there is no way to ignore the files.The simple way to do this is to create a new. gitignore file in the project directory, and then declare the folder or file you want to ignore in it. Troublesome place to come,