Linux Common basic commands

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1. Disk Management

CD [Destination directory]     # switch Directories
　　　　DF                  #显示磁盘情况
　　　　du [Options] [file] #显示目录或文件的大小
LS                  #列出当前目录内容
mkdir [directory name]  #创建目录
PWD                 #显示当前工作目录
rmdir [catalogue]  #删除目录
Stat [file or directory] #显示inode (creator of file, date of creation of file, size of file)

2. System Management

Date                # Displays or sets the system time and date
　　　　Exit                #退出当前的shell
Halt                #关闭Linux系统
ID                  #显示用户的ID, and the ID of the owning group
Kill [Information number] [process ID] #杀死进程, such as Kill-9 1896
PS [-option]           #显示进程, such as PS aux
Reboot             #重启
shutdown [options] [TIME]   #关闭或者重启系统, such as Shutdown-h 11:50
Su [user account]        #变更用户身份
sudo [-u < user;] [instruction]  #以其他身份来执行指令, default to root
Uname               
Who                 #显示当前登入系统的用户信息
WhoAmI              #显示当前用户名称
whois [account name]     #查找并显示用户信息

3. File Management

diff [File 1] [file 2]        # compare two files differently
file [file]                #辨识文件类型
Find [Catalog]-name test     #查找名字为test的文件或目录
MV [source file or directory] [destination file or directory]  #移动或或重命名文件
RM [Options] [file or directory]       #删除文件或目录
Touch [file name]            #创建文件
Whereis [contents] [File]       #查找文件
which [file]               #查找文件
Cat [file]                 #显示文件内容
chmod [Options] [permissions] [files or directories]    #变更文件或目录权限
chown [Options] [user] [file or directory]    #变更文件或目录的拥有者或所属群组
CMP [Options] [file 1] [file 2]  #比较两个文件是否有差异
CP [Options] [source file] [destination file]       #复制文件或目录

4. Backup compression

gunzip [Options] [file] [contents]  #解压被gzip压缩的文件
gzip [options] [file] [contents]    #把目录压缩成gz文件
tar [options] [file] [contents]     #解压tar文件到目录
uzip [Options] [file] [contents]    #解压zip文件到目录
Zip [options] [Files] [contents]     #把目录压缩成zip文件

Linux Common basic commands