Basic Linux Knowledge

1.man

Search some Linux cmd, using the man "command" or command--help.

2.find

Find Path-name "*.txt"//Locate the *.txt file under path.

Nested find: Find ' find. -name Res '-name "*.xml" finds all XML files in the Res directory.

3.grep

Gerp ' string ' filename

Gerp ' activtiy ' Hello.java

4.ls |grep ' team '

Displays the file with the name ' team ' in the current directory

ls | Xargs gerp ' team '

Displays the file containing ' team ' for each file content in the current directory.

5.cat

Print file contents

6.chmod

Linux Rights Management is divided into 3 groups, user,group,others

Drwxrwxr-x:

Bit0:d or-represents a folder or file.

Bit1--bit3:user

Bit4--bit6:group

Bit7--bit9:others

R:read

W:write

X:excute

7.ps & Kill

Ps-a showing all process in Linux

Basic Linux Knowledge