search
HomeSystem TutorialLINUXDetailed explanation of Linux view commands: Revealing the secrets of common parameters and options

"Linux View Command Detailed Explanation: Common Parameters and Options Revealed"

In the Linux system, the view command is one of the operations we often use. The view command can help us view the content of files, directory structure and other information, and facilitate our work. This article will introduce in detail the common viewing commands and their commonly used parameters and options. Let us reveal the secrets of these commands together!

1. ls command

The ls command is one of the most commonly used viewing commands, used to display the file and directory list in the current directory. Commonly used parameters and options include:

  • -l: Display file information in a detailed list
  • -a: Display all files , including hidden files
  • -h: Display file size in human-readable format
  • -t: Sort by modification time
  • -r: Reverse sorting

Sample code:

ls -l
ls -a
ls -lh
ls -lt
ls -lr

2. cat command

cat command is used to view files The content, common parameters and options include:

  • -n: Display the line number
  • -b: Display the line that is not a blank line No.
  • -s: Compress multiple blank lines
  • -E: Display a $
at the end of each line

Sample code:

cat -n file.txt
cat -b file.txt
cat -s file.txt
cat -E file.txt

3. less command

The less command is used to view long text files and can scroll through the file contents. Commonly used parameters and options include:

  • Space key: Page down
  • b key: Page up
  • /Keyword: Search keyword
  • -N: Display line number
  • -i: Ignore Case

Sample code:

less file.txt
less -N file.txt
less -i file.txt

4. head and tail commands

The head and tail commands are used to view the first few lines and the last few lines of the file respectively. . Commonly used parameters and options include:

  • -n NUM: Display the first/last NUM lines of the file
  • -f: Real-time tracking Changes in the content of files

Sample code:

head -n 10 file.txt
tail -n 10 file.txt
tail -f file.log

The above are several common viewing commands and their commonly used parameters and options. By learning these commands, we can view files more efficiently Content and directory structure. I hope this article is helpful to you. If you have any questions or doubts, please leave a message to discuss!

The above is the detailed content of Detailed explanation of Linux view commands: Revealing the secrets of common parameters and options. For more information, please follow other related articles on the PHP Chinese website!

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
How to Make a USB Drive Mount Automatically in LinuxHow to Make a USB Drive Mount Automatically in LinuxApr 30, 2025 am 10:04 AM

This guide explains how to automatically mount a USB drive on boot in Linux, saving you time and effort. Step 1: Identify Your USB Drive Use the lsblk command to list all block devices. Your USB drive will likely be labeled /dev/sdb1, /dev/sdc1, etc

Best Cross-Platform Apps for Linux, Windows, and Mac in 2025Best Cross-Platform Apps for Linux, Windows, and Mac in 2025Apr 30, 2025 am 09:57 AM

Cross-platform applications have revolutionized software development, enabling seamless functionality across operating systems like Linux, Windows, and macOS. This eliminates the need to switch apps based on your device, offering consistent experien

Best Linux Tools for AI and Machine Learning in 2025Best Linux Tools for AI and Machine Learning in 2025Apr 30, 2025 am 09:44 AM

Artificial Intelligence (AI) is rapidly transforming numerous sectors, from healthcare and finance to creative fields like art and music. Linux, with its open-source nature, adaptability, and performance capabilities, has emerged as a premier platfo

5 Best Lightweight Linux Distros Without a GUI5 Best Lightweight Linux Distros Without a GUIApr 30, 2025 am 09:38 AM

Looking for a fast, minimal, and efficient Linux distribution without a graphical user interface (GUI)? Lightweight, GUI-less Linux distros are perfect for older hardware or specialized tasks like servers and embedded systems. They consume fewer res

How to Install Wine 10.0 in RedHat DistributionsHow to Install Wine 10.0 in RedHat DistributionsApr 30, 2025 am 09:32 AM

Wine 10.0 stable version release: Running Windows applications on Linux to a higher level Wine, this open source and free application, allows Linux users to run Windows software and games on Unix/Linux operating systems, ushering in the release of the 10.0 stable version! This version has been provided with source code and binary package downloads, and supports various distributions such as Linux, Windows and Mac. This edition embodies a year of hard work and over 8,600 improvements, bringing many exciting improvements. Key highlights include: Enhanced support for Bluetooth devices. Improve support for HID input devices. Optimized performance of 32-bit and 64-bit applications.

How to Install and Configure SQL Server on RHELHow to Install and Configure SQL Server on RHELApr 30, 2025 am 09:27 AM

This tutorial guides you through installing SQL Server 2022 on RHEL 8.x or 9.x, connecting via the sqlcmd command-line tool, database creation, and basic querying. Prerequisites Before beginning, ensure: A supported RHEL version (RHEL 8 or 9). Sudo

How to Install Thunderbird 135 on a Linux DesktopHow to Install Thunderbird 135 on a Linux DesktopApr 30, 2025 am 09:26 AM

Mozilla Thunderbird 135: Powerful cross-platform mail client Mozilla Thunderbird is a free, open source, cross-platform email, calendar, news, chat and contact management client designed to efficiently handle multiple email accounts and news sources. On February 5, 2025, Mozilla released the Thunderbird 135 version, introducing a number of new features, performance improvements and security fixes. Thunderbird 135 main features: XZ Packaging for Linux Binaries: Smaller files, faster unpacking, and better integration with modern distributions. Cookie storage support: when creating space

How to Lock Files for Renaming or Deleting in LinuxHow to Lock Files for Renaming or Deleting in LinuxApr 30, 2025 am 09:11 AM

This guide demonstrates how to protect files on Linux from accidental renaming or deletion using simple commands. We'll use the file important.txt in /home/user/ as an example. Method 1: Using chattr for Immutability The chattr command modifies fil

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

MantisBT

MantisBT

Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.

MinGW - Minimalist GNU for Windows

MinGW - Minimalist GNU for Windows

This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

SublimeText3 English version

SublimeText3 English version

Recommended: Win version, supports code prompts!

PhpStorm Mac version

PhpStorm Mac version

The latest (2018.2.1) professional PHP integrated development tool

EditPlus Chinese cracked version

EditPlus Chinese cracked version

Small size, syntax highlighting, does not support code prompt function