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Categories and Features: Analyzing Linux Commands

WBOYOriginal: 2024-02-25 23:48:06568browse

Title: Classification and Characteristics of Linux Commands

The Linux operating system is an open source operating system with a wealth of command line tools. Users can operate and manage the system through the command line. Linux commands can be divided into many different categories, each category has different characteristics and uses. This article will introduce several common Linux command classifications and their characteristics, and provide specific code examples.

1. Common Linux command classification

File operation commands: used to create, delete, view and edit files.
Directory operation command: used to manage the directory structure in the system.
System management commands: used for system management and configuration.
Network commands: used for network operations and management.
Process management command: used to view and manage processes in the system.

2. Characteristics and code examples of common Linux command classifications

File operation commands

ls: Column Export files and subdirectories in a directory.
```
ls
ls -l
ls -a
```
cp: Copy files or directories.
```
cp file1 file2
cp -r dir1 dir2
```
mv: Move files or directories.
```
mv file1 dir1
mv file1 file2
```
rm: Delete a file or directory.
```
rm file1
rm -r dir1
```

Directory operation command

pwd: Display the current working directory.
```
pwd
```
cd: Switch working directory.
```
cd dir
cd ../
```
mkdir: Create a new directory.
```
mkdir dir
```
rmdir: Delete empty directories.
```
rmdir dir
```

System management commands

uname: Display system information.
```
uname -a
```
date: Displays the current date and time of the system.
```
date
```
ps: Display process information in the system.
```
ps
ps -ef
```
top: Display system resource usage in real time.
```
top
```

Network commands

ifconfig: Display network interface information.
```
ifconfig
```
ping: Test network connection.
```
ping www.google.com
```
netstat: Display network status.
```
netstat -an
```

Process management command

ps: Display process information in the system.
```
ps
ps -ef
```
kill: Terminate the specified process.
```
kill PID
```
pkill: Terminate processes in batches.
```
pkill process_name
```

The above are common Linux command classifications and their characteristics. These commands can easily manage and operate the Linux system. I hope this article can help readers better understand and use command line tools in Linux systems.

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