Tags: CPU BSP picture com inux font exit ptime UIOne, use W to view the system loadW, uptime View system load, 0.00 means 1 minutes load 0Cat/proc/cpuinfo View CPU CoresSecond, Vmstat command, view process, CPU, memory, swap, IO, systemR, SWPD, Si, so, Bi, bo, US, WADynamic display 5 times per secondRun, block process waits, swap partition memory is not enough to put,Si/so how many kilobytes of data from swap into/out memory, Bi/bo read/write memory from disk, US user consumes CPU percentage, do
Explanation of transclude options and ng-transclude commands in angular. js commands, and angularjsng commands
Preface
Before starting this article, we must first describe that the angular version we use is 1.5.0, because different versions have different performance results.
First, we should understand that one option in the angular command is transclude, which
Help commands for common linux commands and common linux commands
1.TypeThe difference between built-in and external commands
2.BashEnter bash to use help in bash.
3.Help lsLs is an external command, help can only view the built-in command methods, cd is a built-in command
Ls -- helpAvailable
4.Man lsMan does not
Add user Two-step walk: 1.useradd username 2.passwd PSRights Management CommandsCommand name:chmod->>change The permissions mode of a fileCommand path:/bin/chmodExecute Permissions: All UsersSyntax: chmod [{u g o} {+-=}{rwx}][file or directory][mode = 421] [File or directory]+: Increase Permissions-: Reduce permissions=: Give permission directlythe focus of mastery is to use the digital way of authority control, r=4 w=2 x=1.rwxr-xr--= 754Rw-r-x--x = 651Example: chmod g+w filechmod 777 FileRWX Pe
, such as log files,[[email protected] ~}# tail-5 file.log//Specify a few lines after viewing the text[[email protected] ~}# tail-n +5 file.log//View the first five lines of the text to the last line(4) More: Split screen view text, you can view text in full screen[Email protected] ~]# more File.log After entering view mode, q exits view, b page UP, F page down. These commands also apply to less, and to the Man command. (more F in the page will skip a
Detailed explanation of ln commands in linux commands (creating soft links and hard links) and ln commands
Ln is another important command in linux. Its function is to create a synchronous link for a file in another location, which can be soft link or hard link. Soft links are similar to shortcuts for windows. The following are usage methods and examples.
Ln is a
Linux notes (6) Help commands and user management commands for common Linux commands(1) man
The man command is used to obtain help information of a command or configuration file. The original English meaning is manual, and the path is/usr/bin/man. Its Syntax format is:
Man [command or configuration file]
Note: No absolute path is required to view the help informa
Linux learning notes (5) file search commands for common Linux commands and Common commands for learning notes(1) find
The find command is used for file search. Its path is/bin/find. Its Syntax format is:
Find [search range] [matching condition]
1)-name: search by file name, such as searching for the init file under/etc.
[root@localhost ~]# find /etc/ -name init/
Learn about basic Linux commands: df commands and du commands-general Linux technology-Linux technology and application information. For more information, see the following. Df command
This interface is used to view the status information of the Linux File System and display the capacity, used, unused, and mount points of each partition.
For example
Df-k dis
Head and tail commands for linux commands, and tail commands
Head
Syntax
Example
Tail
Syntax
Example
Example of combined head and tail usage
Head syntax
head [-n -k ]... [FILE]...Example
The first 10 rows are displayed by default.
head /etc/passwd
Displays the first k rows.
Head-k/etc/passwdhead-
Help for Umask:[Email protected] ~]# help Umaskumask:umask [-P] [-S] [mode] file mode mask.Note:help can also be used to view assistance for Shell programming if, case, while, and so on .(6) UseraddThe useradd command is used to add a new user , where the path is/usr/sbin/useradd, with the syntax format:useradd [user Name](7) passwdThe passwd command is used to set the user password , where the path is/USR/BIN/PASSWD, in the syntax format:passwd [user Name]Note: Passwords must conform to th
Command name: ChownEnglish: Change file ownershipCommand path:/bin/chownSyntax: chown [user] [file or directory]Function Description: Change the owner of the file or directoryExample: Chown Shenchao FengjieChange the owner of the file Fengjie to ShenchaoCommand name: CHGRPEnglish: Change file group ownershipCommand path:/BIN/CHGRPSyntax: chgrp [user] [file or directory]Function Description: Change the owning group of the file or directoryExample: Chown lampbrother FengjieChange file Fengjie belo
Linux commands-ls commands and linux commands ls
Today, we will introduce common commands in Linux. First, we will introduce the most frequently used commands in Linux-the ls command.For more information about Linux commands, see
Ten commands required for Linux commands and ten commands for linux
Linux has now become the most popular Operating System in the software industry. Mastering Linux has become a required professional skill for every developer.In order to help you learn, I hope you can master the ten commands that you must master when
Common Linux commands-permission management commands-Other permission management commands, and common command permission management
Command name: chownEnglish: change file ownership
Command path:/bin/chown
Syntax: chown [user] [file or directory]
Function Description: Change the owner of a file or directory.
Example: chown shenchao fengjieChange the owner o
Command name: ChownEnglish: Change file ownershipCommand path:/bin/chownSyntax: chown [user] [file or folder]Description of the function: Change the file or folder of the entire personExample: Chown Shenchao FengjieChange the file Fengjie the whole person is ShenchaoCommand name: CHGRPEnglish: Change file group ownershipCommand path:/BIN/CHGRPSyntax: chgrp [user] [file or folder]Function Description: Change the group to which the file or folder belongsExample: Chown lampbrother FengjieChange fil
if the compressed file is a very large case.Tar command-Function Description: File package and unpacking.-Command format: tar [parameters] -Common parameters:-F Name: Use name to specify the archive file name or device name.-V: Lists processing details.-C: Used to create a new archive file.-X: Restore the backup file from the archive file.-T: Used to list the file names in an archive file.-Z: Compress files or unzip with GNU Gzip.-Z: Compress files or unzip with compress.-j: Compress files or u
very large case.Tar command-Function Description: File package and unpacking.-Command format: tar [parameters] -Common parameters:-F Name: Use name to specify the archive file name or device name.-V: Lists processing details.-C: Used to create a new archive file.-X: Restore the backup file from the archive file.-T: Used to list the file names in an archive file.-Z: Compress files or unzip with GNU Gzip.-Z: Compress files or unzip with compress.-j: Compress files or unzip with bzip2.-use Example
ThumbInstruction Set
The thumb command can be seen as a subset of arm commands in the form of compression. It is proposed for the code density [1] and has a 16-bit code density. Thumb is not a complete architecture and cannot expect the processing program to execute only thumb instructions rather than arm instruction sets. Therefore, the thumb command only needs to support general functions. If necessary, you can use a complete arm instruction set. F
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