basic linux commands list

Tags: command base LinuxHow to use common commands:1.echo (printf)Echo-display a line of text Common options:-N: Do not wrap,-e: use \ Guided escape sequence to take effect; \ n: newline \ t: Horizontal tab 2.CD Change the shell working dir Ectory. Switch working directory: CD [-l|[ -P [-e]] [dir] cd/path/to/somedir: Switches the working directory to the directory represented by the parameter; CD: Switches the working directory to the home di

Linux cainiao must also know several basic ubuntu commands 1: sudo should be one of the most common commands in linux, because you can temporarily obtain root permissions even if you are not a root user, for example, installing and uninstalling, changing the configuration of

Tags: basic commands1) Linux Fundamentals:1. Consisting of small programs with a single purpose; Assemble small programs to accomplish complex tasks2. Everything is a document3. Avoid capturing user interfaces as much as possible4. The configuration file is in plain text format2) command format: Command options parameters (options are divided into short options "-" Input shortcuts and long options "-" meani

back to the top level directory, CD. /.. /.. Go back to Level three, CD-go back to the last operating directory and know that these commands are much more convenient when you switch directories back and forth.The 8.SCP command is a copy of the transfer file between two machines, which refers to a Danale blog to introduce, http://www.cnblogs.com/peida/archive/2013/03/15/2960802.html personal feeling written very good!9. File permission Description: Dr

example: Cd/var/log; Windows is CD c:\windows6, Linux support multi-user login at the same time: Windows is based on DOS operating system, DOS itself is a single user login operating system.7. Linux does not use drive letters: In Windows, the drive letter is used to indicate the driver. All files within Linux are represented by a uniform hierarchy.Iii. several d

, if you create a password and do not create a directory, the user log on as the home directory, not writable.AddUser for interactive, create a user to create a password at the same time, create directory;Groupadd group name Create a new group PASSWD username user-created password passwd-d user name Delete user password can also login passwd-s user name query account password usermod-l new username old user name rename user userdel–r user Name Delete User everythingThe

level)1: Single-user mode2: Multi-user, no NFS (this level is the same as 3 if you do not configure the network)3: Full multi-user mode4: Do not use5: Graphics mode6: Restart (do not set to start the default level)5. The system's login processBIOS boot boot phase: Mount the boot manager from the MBR and run the boot-boot management.Grub as an example starts the boot phase: reads the/boot/grub.conf file and displays the boot menuKernel Stage: Mount the root file systemSys V init initialization p

functional descriptions.Grep [options] 'pattern' fileRegular Expression: Basic regular expression, extended Regular ExpressionBasic Regular Expression: greedy mode (de matches the content in the matching mode as long as possible)^: Specifies the qualified content at the beginning of the line. Format: "^ pattern"$: Specifies the conforming content at the end of the anchor line. Format: "pattern $"^ Pattern $ self-contained row^ $ Blank line.: Match an

The first blog: Linux learning note 1-ubuntu installation and basic settings, has described how to install the Linux operating system, as well as some basic settings modification.This blog mainly introduces some basic console commands