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
2. Characteristics and code examples of common Linux command classifications
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
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
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
ifconfig: Display network interface information.
ifconfig
ping: Test network connection.
ping www.google.com
netstat: Display network status.
netstat -an
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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