Linux Commands, Linux Basic Commands, Linux Commands, Linux Common Commands, Linux Command Tutorial
Linux system commands, Linux command line basics, Linux basic operation commands
Basic commands used in the daily use of the Linux system, how to learn common Linux commands, detailed explanations and examples of Linux commands
Common commands on the Linux CLI and essential commands for Linux system administrators
The Linux system maintains a list of commonly used commands, and basic Linux command-line commands that novices must learn
Descriptions of common Linux commands and parameters, Linux command line quick start guide, and Linux command quick reference manual
Have you ever been struck by the power of the Linux system, but shy away from its complex commands? Don't worry, today we will reveal the mystery of Linux for you, and take you to master some basic but powerful commands, so that you can easily become a master of system control!
1. File Operations: Explore the world of catalogs.
ls: List the contents of the directory, so that you can grasp the file information at a glance.
cd: Change the current directory and easily shuttle through the world of files.
PWD: Displays the path to the current working directory, so you never get lost.
touch: creates an empty file and easily creates a new file.
CP, MV, RM: Copy, move, and delete files to easily manage files.
cat, more, less: View the contents of the file and browse the file world as you like.
head, tail: view the beginning and end of a file to quickly locate key information.
LN: creates a hard link or symbolic link to implement file association.
find, locate: Quickly find files or directories, making file search no longer cumbersome.
2. Text Processing: Digging into Data Treasures.
GREP: Search for text patterns in files to easily find key information.
SED, AWK: Text and data extraction, reporting tools to make data processing more efficient.
sort, cut: sorts and cuts text lines to organize data.
WC: Count the number of lines, words, and bytes to get an overview of your files.
tr: replaces or deletes characters to achieve text cleaning.
3. System information and monitoring: insight into the operation status of the system.
top: Displays the running processes and their resource usage, so that you can easily grasp the performance of the system.
PS: Report the process status of the current system and implement process management.
kill: Sends a signal to the process to terminate it, allowing you to easily control the life and death of the process.
DF and DU: displays disk usage, allowing you to keep an eye on storage space.
free: displays the memory usage of the system and grasps the memory status.
uptime: displays the running time of the system and understands the stability of the system.
VMSTAT: Reports information on processes, memory, paging, block IOs, traps, and CPU activity, giving you insight into the health status of your system.
4. Network Command: Navigate the online world.
Ping: Test your network connection to make sure it's unblocked.
ifconfig, ip: Displays and configures the network interface, allowing you to easily grasp the network configuration.
netstat: displays network connections, routing tables, and interface statistics for network monitoring.
SSH: Securely log in to remote machines and work remotely.
SCP: Securely replicates files between local and remote machines for file transfer.
wget, curl: file and transfer data from the network, support a variety of protocols, so that you can easily obtain network resources.
5. Compression and decompression: Easily manage storage space.
tar: an archiving tool that enables the packaging of multiple files and directories.
gzip and gunzip: compress and decompress files (in gzip format) to save storage space.
bzip2 and bunzip2: compress and decompress files (in bzip2 format) for efficient compression.
zip and unzip: compress and decompress zip files to easily manage compressed files.
6. Authority and ownership: ensure system security.
chmod: Change the permissions of a file or directory to ensure that the file is secure.
chown, chgrp: change the owner or group of a file or directory to implement file ownership management.
7. Other common commands: improve operation efficiency.
echo: Displays the value of a line of text or variables to achieve text output.
date: Display or set the system date and time, so that you can always grasp the time information.
cal: Displays the calendar for easy viewing of date information.
clear: Clear the terminal screen to keep the interface clean.
man: Displays the man's page (help documentation) for the command, so you can get help at any time.
history: Displays the command history for easy review of operations.
reboot and shutdown: restart and shut down the system for system maintenance.
This is just the tip of the iceberg of Linux commands, in fact Linux offers thousands of commands and tools for performing a variety of tasks. Mastering these basic commands is a great starting point for beginners. Now that you have the foundation to become a master of system control, explore the mysteries of Linux!