LINUX常用基础命令

    The UNIX operating system is made up of three parts; the kernel, the shell and the programs.

   进程是由唯一的PID(进程标识符)标识的执行程序。 文件是数据的集合。它们是由用户使用文本编辑器,运行的编译器等创建的。

Command Meaning
ls list files and directories
ls -a list all files and directories
mkdir make a directory
cd directory change to named directory
cd change to home-directory
cd ~ change to home-directory
cd .. change to parent directory
pwd display the path of the current directory
cp file1 file2 copy file1 and call it file2
mv file1 file2 move or rename file1 to file2
rm file remove a file
rmdir directory remove a directory
cat file display a file
less file display a file a page at a time
head file display the first few lines of a file
tail file display the last few lines of a file
grep 'keyword' file search a file for keywords
wc file count number of lines/words/characters in file
command > file redirect standard output to a file
command >> file append standard output to a file
command < file redirect standard input from a file
command1 | command2 pipe the output of command1 to the input of command2
cat file1 file2 > file0 concatenate file1 and file2 to file0
sort sort data
who list users currently logged in
* match any number of characters
? match one character
man command read the online manual page for a command
whatis command brief description of a command
apropos keyword match commands with keyword in their man pages
ls -lag list access rights for all files
chmod [options] file change access rights for named file
command & run command in background
^C kill the job running in the foreground
^Z suspend the job running in the foreground
bg background the suspended job
jobs list current jobs
fg %1 foreground job number 1
kill %1 kill job number 1
ps list current processes
kill 26152 kill process number 26152
gzip science.txt Zip of a file
gunzip science.txt.gz To expand the file, use the gunzip command.
history ordered list of all the commands that you have entered.
find . -name "*.txt" -print This searches through the directories for files and directories

FormSite: http://www.ee.surrey.ac.uk/Teaching/Unix/index.html

Linux中文教程:https://www.runoob.com/linux/linux-tutorial.html

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