Linux

"linux& Audio" ALSA Audio Programming "essence" Preface: Here is a look at the meaning of each parameter and some basic concepts. Sample length: Sample is the most basic unit for recording audio data, with 8-bit and 16-bit common. Channel number

I use the Linux system is fedora, just learning Linux, a lot of things will not, last night because you need to copy or pull files between the host System window 7 and the virtual system fedora, you need to install VMware Tools on the virtual

Multi-threaded Download tool under Linux Myget [Recommended] The Myget goal is designed as an extensible, rich-Interface multithreaded download tool that supports protocols such as HTTP, FTP, and HTTPS. Download the latest version of 0.1.0 in http:

Linux under the I2C-driven loading process, divided into I2C equipment layer, I2C adapter layer and I2C core layer The I2C device driver layer is the drive we write for a particular I2C device, and the following is the I2C-driven registration

7.7 "Linux learning is not difficult" file/directory Management (7): rmdir command to delete empty directoriesUse the rmdir command to remove an empty directory from a Linux system.Command syntax:rmdir [Options] [contents]The meanings of the options

Thank the Blogger: 52241685 information providedCommon Linux file permissions:444 r--r--r--RW-------644 rw-r--r--666 rw-rw-rw-RWX------744 rwxr--r--755 Rwxr-xr-x777 RwxrwxrwxFrom left to right, 1-3 digits represent the permissions of the file owner,

Transferred from: http://blog.csdn.net/droidphone/article/details/8434768Multi-Touch (MT) Protocol-------------------------Copyright (C) 2009-2010 Henrik rydbergBrief introduction------------To make the most of the new multi-touch and multi-user

Original address: https://www.douban.com/note/598274695/Copyright belongs to the author, any form reproduced please contact the author.Wilhelm (from watercress)Source: https://www.douban.com/note/598274695/Working life has been used more than the

Linux Find File Lookup command with grep file Content Lookup commandWhen using Linux, file lookups are often required. The commands you find are primarily find and grep. Two commands are of a district.　　The Difference : (1) The Find command is based

File Management CommandsLs-lThe first column is the file type-: Normal fileC: Character fileL: LinkP: Pipeline FileB: Block deviceLs-mComma separated[Email protected] ~]# ls-m/var/ADM, cache, crash, db, empty, games, Gopher, Kerberos, LIB, local,

turn from:Linux user space and kernel space (understanding high-end memory) Reference: 1. process kernel stack, user stack2. -linux kernel space 3.Linux Kernel Learning notes-5 memory managementLinux operating system and drivers run in kernel space,

Divided into two parts: memory and process.Memory1) Check memory and memory allocation for several commands:A) Nmon: graphical interface, not only to look at the memory, but also to see the CPU, network, kernel, disk information, memory can see Swap,

e-mail communication system protocols and concepts:Software roles:MUA: Mail clientMTA: Mail Service sideMDA: Mail server-side moduleMail client: Mail user agentMail server: Mail Transfer agent, message transfer agentsmodule/function on mail server:

For the entire USB-storage module, the usb_stor_init () function is its start. However, for the USB flash drive, the function that actually drives the USB flash drive starts with the storage_probe () function. As long as the two parallel lines

For anyone who writes the kernel code, one of the most attractive issues is how to complete the debugging. Because the kernel is a function set not related to a process, its Code cannot be easily put in the debuggerAnd cannot be tracked. This

60 required commands for Linux (3)-system management 60 required commands for Linux: system management commandsSystem Management commands required for LinuxAuthor: Cao yuan, his posting date: 2004.10.18For Linux systems, whether it is a central

File System of embedded devices The system needs a method for storing and retrieving information in a structured format, which requires the participation of the file system. Ramdisk (see references) is a mechanism for creating and mounting a file

LINUX Study Notes account and group management, linux Study NotesLINUX Account and Group Management UID: UserID: Save the file:/etc/passwd GID: GroupID save file:/etc/group   /Etc/passwd file structure   A row represents an account, which contains a

The process started with execute shell in jenkins will be killed.In jenkins, the process started through execute shell will be killed. When you configure an automatic update deployment project in jenkins, if you use execute shell to start/Close

Jenkins continuous integration software version released, jenkins Software Version1. What is jenkins? Jenkins is an open-source continuous integration tool written in Java. After a dispute with Oracle, the project will be reviewed from the Hudson