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In the Ubuntu system, compressed archives are used for transferring large files, saving space, and backing up data. `zip` and `unzip` are commonly used tools. Before use, check if they are installed;

In Ubuntu, `tar` is the core tool for file archiving and compression. It can package multiple files/directories into a `.tar` archive and, when combined with compression tools like `gzip`, `bzip2`, or

grep is a practical text search tool in Ubuntu, short for "Global Regular Expression Print", with its core function being the fast search for lines matching a pattern in text. The basic usage is `grep

`chown` is a core command in Ubuntu for modifying the owner and group of files/directories to adjust file ownership. Its syntax is `chown [options] new_owner[:new_group] file/directory`, with key para

In the Linux system, `df` and `du` are core tools for disk space management, used to view overall partition usage and specific directory/file space respectively. `df` (Disk Free) analyzes partition

`uname` is a lightweight and practical system information viewing tool in Ubuntu that requires no additional installation. It can quickly obtain basic information such as kernel version, hostname, and

In the Ubuntu system, the `top` command is a practical tool for monitoring system resources in the terminal, which can dynamically display the status of CPU, memory, processes, etc. To start it, open

The following are common issues and solutions for Ubuntu's `apt install`: **1. Unable to locate package**: Verify the package name spelling (use `apt search` for confirmation), run `sudo apt update` t

After installing and uninstalling software in Ubuntu, residual unnecessary dependency packages often remain, occupying disk space and bloating the system. `apt autoremove` can automatically clean up t

Updating Ubuntu systems relies on `apt update` and `apt upgrade`, which serve different purposes and must be executed in sequence. `apt update` is used to refresh the package index (checking the lates