recursive delete

1. Components of Linux1) Linux kernel (kernel)2) GNU tool chain3) GUI/CLI work on several sides (shell)4) application (APP)The main work of the 2Linux kernel:1) Managing Memory2) Management process3) Managing hardware devices4) Managing the file

1, cd command This is a very basic, is also a common need to use the command, it is used to switch the current directory, its parameters are to switch to the path of the directory, can be an absolute path, can also be a relative path. Such as:[Plain]

Sooner or later, the Linux system will be as popular as Windows, with more people, including people who are not very familiar with the computer, the purpose of this article is to tell you: Linux gives you the greatest degree of freedom at the same

EnvironmentPsql (9.3.6) Enter "Help" for information. root=# \d change_me table "Public.change_me" field | Type | Modifier words-----------+-----------------------+--------Too_short | Character varying (50) | root=# alter TABLE Change_me alter

File system:Rootfs: Root file system:Fhs:linux/boot: System boot related files, such as kernel, INITRD, and Grub (bootloader)/dev: Device filesDevice files:Block devices: Random access, data blocksCharacter Devices: Linear access, by characterDevice

Touch File # Create a blank file rm-RF Directory Name # does not prompt to delete a non-empty directory (-r: Recursive Delete-f Force) Dos2unix # Windows text to Linux text Unix2dos # Linux text to Windows text eNCA filename # View coded install Yum

Common directivesLS Display file or directory-l list File details L (list)-a lists all files and directories under the current directory, including Hidden A (all)mkdir Creating a Directory-P Create directory, if no parent directory, create p (parent)

First, installation and landing commands1. Enter the graphical interfaceStartX2. Enter the graphical interfaceInit 53. Enter the character interfaceInit 34. LoginLogin5. Shut down the machinePoweroff-P Turn off the power when shutting down the

In the Linux learning process, we will use some common commands, the following summarizes some of our operations in the process of some common commands for everyone to use, mainly divided into: common directives, System management commands, user and

1../Current Path2.ls enumerate all files and folders under the current path default does not show hidden files ls-a Show hidden files Ls-lah h is File size L is display file3.CD Jump Path4.PWD View current Path5.ls-l viewing file or folder

LS display file or directory-l list file details L (list)-a lists all files and directories under the current directory, including Hidden A (all) mkdir Create directory-P Create directory, if no parent directory, create p (parent) CD switch

the direction of the arrows is the flow of dataNumber Description: 0 for standard input, 1 for standard correct output, and 2 for standard error output.The 2&1> or 2&1>> indicates that the standard correct output is the same as the standard error

1. System commands[tab]: command completion, file completion Double-click 2 to list all possible commands or filenames [Ctrl]+c Abort command[Ctrl]+d keyboard input end or replace exitShutdown-h shut down after service is stopped-R

Common directivesLS Display file or directory-l list File details L (list)-a lists all files and directories under the current directory, including Hidden A (all)mkdir Creating a Directory-P Create directory, if no parent directory, create p (parent)

Common instruction ls display file or directory-l list file details L (list)-a lists all files and directories under the current directory, including Hidden A (all) mkdir Create directory -P Create directory, if no parent directory, create p (parent)

People who have played Linux will know that there are really a lot of commands in Linux, but people who have played Linux have never bothered by the fact that Linux commands are so many, because we only need to master the commands we use most often.

Linux: Free open source, multi-user multitasking, derived from a number of ancillary versions, such as the common Redhat ...Common directivesLS Display file or directory-l list File details L (list)-a lists all files and directories under the

Gui:graphic User Interface Graphical interfaceWindowsX-windows: Graphical Display protocolGnomeKdeXfaceCli:command Line InterfaceShBashCshKshZshTcshGoogle:Linux Filetype:pdfLinux site:ibm.comGoogle hackIDE: Development environment used by

-R Recursive Delete, can delete subdirectories and files-F Force DeleteRM-RF Delete a directory recursively (use as little as possible)Find searches a file system for a file (the search scope and criteria are later written, but only by file

LS: View the list of files in the current directory-l list File details L (list)-a lists all files and directories under the current directory, including Hidden A (all)mkdir Creating a Directory-P Create directory, if no parent directory, create p