Linux

Shared memory is still very useful, whether it is to solve the IPC problem, or file Buffer problem, it is amazing. In the following works, even if you have no knowledge or knowledge about the shared memory, you can easily implement shared memory

ArticleDirectory Parameters Option Example Tips Displays the name/path of the current working directory. PWD [Option]   Parameters By default, the name/path of the current working directory is displayed. Two options are

ArticleDirectory Parameters Option Example Connect or display files Cat[Options] [File-list]   Parameters File-listYesCatThe path name of a single file to be processed or the list of path names of multiple files. If no

ArticleDirectory Parameters Option   Example Tips Add row numbers to text files NL [Options]Files   Parameters FilesYesNLYou need to add the text file path name of the row number for it. If there are multiple

Because the hard disk space of the Linux service boot system is insufficient, a gb sata hard disk is added, which was previously partitioned and formatted in windows. This is intended to be fully formatted into the partition format ext3 in Linux.

Http://news.ddaaoo.com/Topic/view/id-57255 Message Queue for Linux: Mq_open is used in logging. When a new log is added to the queue, I send a message to mq_send. The logging thread starts to record the data until the log queue is empty and then

From: http://www.ixpub.net/thread-619016-1-1.html     Tar command [Root @ Linux ~] # Tar [-cxtzjvfppn] file and directory ....Parameters:-C: Create a parameter command for the compressed file );-X: Unlock the parameter command of a compressed

Linux requires that each hard disk device can contain a maximum of four primary partitions (including extended partitions). Any extended partition occupies a primary partition number, that is, a hard disk, the maximum number of primary and extended

Yesterday, in the dormitory, the roommate installed RedHat on her machine and worked as a consultant with another roommate. Haha, despite a few setbacks, the system was finally installed, for the first complete installation of Linux, record it here,

For example, I want to copy the files in 59.64.30.101 TO THE 59.64.28.78 server. The procedure is as follows: Run the following command on the 1.59.64.30.101 terminal: # Ssh-keygen-T RSA 2. After the key is generated, two files, id_rsa id_rsa.pub,

Title: grub + Linux + windows Body: A dual-system is installed, including Windows 2003 sever and redflag 6.0 desktop. Make a record of the problem, just forget. 1. Problems: Guide grubProgramIt is written to the boot zone of the first

Answer: four steps to learn about LinuxAssume that you are from a computer science class. You have completed all the basic courses of the Computer Science Department, such as data structure, operating system, architecture, compilation principle, and

1. process definition process: the process is Program The execution process of a program is essentially different from that of a program. The program is static. It is an ordered set of commands stored on a disk and has no concept of execution; A

Ls-C/dev | head-5 LP * printerFD * Soft driveSD * SCSI device PartitionTty * Terminal The DSP file is a connection to the Sound Card/Dev/mouse: Read the file to read the mouse clicks and location changes. All file-related operations: open,

  We know that there are two common swap disk interfaces for personal computers: IDE and Sata. Currently, the mainstream is the SATA interface, but most of the older hosts still use the IDE interface. What we callThe device that can be connected to

View user IDs and group IDs [Amonest @ centos-server ~] $IDUID=500(Amonest) gid =500(Amonest)Groups=500(Amonest ),10(Wheel) Context = unconfined_u: unconfined_r: unconfined_t: s0-s0: c0.c1023   View the users currently logged on to the system

Rdesktop: Remote Desktop client in Linux Toy posted in apps, ToolsRSSTrackback Rdesktop is a client that accesses Windows Remote Desktop in Unix/Linux.Program. Currently, rdesktop supports NT, 2000, XP, and 2003 Windows series. By using the

From: http://man.chinaunix.net/tech/secure_programs_howto_cn/c711.html Restrict the call exit to a valid value Make sure to call otherProgramOnly valid and expected values of each parameter are allowed. It sounds not difficult, but it is much

ArticleDirectory Parameters Option Example Tips Compressing and extracting files Bzip2 [Options] [File-list] Bunzip2 [Options] [File-list] Bzcat [Options] [File-list] Bzip2recover [File]   Bzip2ProgramUsed to

Access the vi commandVi filename: open or create a file and place the cursor at the beginning of the first lineVi + n filename: open the file and place the cursor at the beginning of line nVi + filename: open the file and place the cursor at the