How to write a simple 'Hello World' bash script?
To write a simple "HelloWorld" Bash script, 1. Create a file ending with .sh, such as hello.sh, and add the shebang line #!/bin/bash at the beginning; 2. Add the echo "HelloWorld" print statement; 3. Use chmod xhello.sh to grant execution permissions; 4. Run the script through ./hello.sh or bashhello.sh. The former requires permissions, and the latter runs directly but is not a standard practice. Master these four steps to successfully output HelloWorld.
Jun 22, 2025 am 12:18 AM
How to use if/else statements and loops in bash?
In Bash scripts, if/else statements and loops (such as for, while) are used to implement conditional judgment and repeated execution. 1. If/else is used to execute different command blocks according to the conditions, and needs to be wrapped with then and fi. Common judgments include whether the file exists (-f), whether the directory exists (-d), whether the string is empty (-z), string comparison (== or !=) and number comparison (-eq, -ne, -lt). 2. For loop traverses the list or range, the basic format is for variable in list; do...done, you can use the abbreviation of {1..10} to generate ranges, and it is also suitable for batch processing of files. 3. The while loop continues to run when the condition is true, with the format as while[
Jun 22, 2025 am 12:15 AM
Snipping Tool Is Getting a Big GIF Upgrade
Video File Formats Explained: MP4, MOV, and MoreHow could three letters lead to so much confusion?Posts 11 Creating GIFs with the Snipping Tool -------------------------------------- Actually using the new GIF export function is refreshingly straig
Jun 21, 2025 pm 09:02 PM
How to Use LinkedIn Resume Assistant in Microsoft Word
If you’ve been looking for the LinkedIn Resume Assistant in Microsoft Word, you won’t find it anymore. The feature was removed from all versions of Word in late 2022 with nothing to replace it directly. However, tech has progressed, and you now have
Jun 21, 2025 pm 06:01 PM
There's Never a 'Perfect' Time to Buy a GPU
Related Why the RTX 50 Series Is the Most Disappointing NVIDIA GPU Generation Ever I expect
Jun 21, 2025 pm 12:02 PM
Linux_Logo - Print Color ANSI Logos of Linux Distributions
linuxlogo or linux_logo is a tiny command line utility that generates a color ANSI picture of the Linux distribution logo with an uptime (shows system uptime) along with the other system information. The linux_logo utility obtains system information
Jun 21, 2025 am 11:15 AM
How to Delete /AppleInternal from Mac
Some Mac users have found that a directory called AppleInternal is sitting in the root of their Macintosh HD. The folder itself is empty, but is not removable through the typical means. /AppleInternal is apparently used by Apple for internal developm
Jun 21, 2025 am 11:05 AM
How to Disable Live Text on Mac
The Live Text function found in newer MacOS versions enables Mac users to extract text from images and photographs. However, some individuals may find this functionality more irritating than beneficial, leading them to want to disable Live Text on th
Jun 21, 2025 am 11:00 AM
Easily Bulk Download & Install Mac Apps with macapps.link
Looking to automate the downloading and installation of Mac apps? If you're setting up a new Mac, you’re probably familiar with how tedious it can be to manually browse through multiple developer websites and individually download and install each ap
Jun 21, 2025 am 10:45 AM
How to Clear Icon Cache on Mac
Sometimes, Mac users might observe that icons in the Finder of MacOS or the Dock of MacOS either appear as generic icons, or they don’t match what they should be (for instance, a generic document icon instead of a PDF thumbnail, or a VLC icon showing
Jun 21, 2025 am 10:36 AM
macOS Monterey 12.4 Released to Download
Apple has made macOS Monterey 12.4 available to all Mac users currently using the Monterey operating system.Apple states that macOS 12.4 brings enhancements to the Podcasts app, adds support for a firmware update for the Apple Studio Display camera,
Jun 21, 2025 am 10:23 AM
iOS 16 Problems: 11 Common iPhone Issues and How to Fix Them
After updating to iOS 16, some iPhone users may encounter issues. Although inconvenient, most of these problems can usually be resolved easily.Common issues include battery drain, overheating, slow performance, update installation errors, Wi-Fi conne
Jun 21, 2025 am 10:21 AM
How to Install Node.js and NPM in RHEL and Debian Systems
In this guide, we will explore how you can install the latest version of Nodejs and NPM on RHEL-based distributions including CentOS, Fedora, Rocky & AlmaLinux, as well as Debian-based systems like Ubuntu & Linux Mint.[ You might also like: N
Jun 21, 2025 am 10:14 AM
How to Host A Website On Your Home Linux System for Free
The term web server can be used to refer to both hardware and software, or both working together. For the purpose of this guide, we will focus on the software side and see how you can host a website on your Linux box. A web server is a software progr
Jun 21, 2025 am 10:10 AM
Hot tools Tags
Undress AI Tool
Undress images for free
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
vc9-vc14 (32+64 bit) runtime library collection (link below)
Download the collection of runtime libraries required for phpStudy installation
VC9 32-bit
VC9 32-bit phpstudy integrated installation environment runtime library
PHP programmer toolbox full version
Programmer Toolbox v1.0 PHP Integrated Environment
VC11 32-bit
VC11 32-bit phpstudy integrated installation environment runtime library
SublimeText3 Chinese version
Chinese version, very easy to use
