Practice Linux Free Tutorials

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Linux is a powerful, open - source operating system. This Skill Tree provides a comprehensive learning path for mastering Linux administration. Ideal for IT beginners, it offers a clear roadmap to understand command - line interfaces, system administration, and shell scripting. Through hands - on, non - video courses and practical exercises in an interactive shell playground, you'll gain real - world experience in managing Linux systems and automating tasks.

Index	Name	Difficulty	Tutorial Link
001	📖 Display User and Group Information	Beginner	🔗 View
002	📖 Delete and Move Files	Beginner	🔗 View
003	📖 Linux Shell Setting	Beginner	🔗 View
004	📖 How to check if the system is 32-bit or 64-bit in Linux	Beginner	🔗 View
005	📖 Linux Execution Delaying	Beginner	🔗 View
006	📖 Linux Text Sorting	Beginner	🔗 View
007	📖 Linux Script Executing	Beginner	🔗 View
008	📖 Linux Secure Connecting	Beginner	🔗 View
009	📖 Linux User Switching	Beginner	🔗 View
010	📖 Linux Privilege Granting	Beginner	🔗 View
011	📖 Linux File End Display	Beginner	🔗 View
012	📖 Preserve Airship's Mystical Archives with Tar	Beginner	🔗 View
013	📖 Linux Output Multiplexing	Beginner	🔗 View
014	📖 Linux Condition Testing	Beginner	🔗 View
015	📖 Linux Command Timing	Beginner	🔗 View
016	📖 Linux Task Displaying	Beginner	🔗 View
017	📖 Linux File Creating/Updating	Beginner	🔗 View
018	📖 Linux Character Translating	Beginner	🔗 View
019	📖 Linux Directory Tree Display	Beginner	🔗 View
020	📖 Linux System Information Displaying	Beginner	🔗 View
021	📖 Linux Duplicate Filtering	Beginner	🔗 View
022	📖 Linux Variable Unsetting	Beginner	🔗 View
023	📖 Linux Unzip Decompression	Beginner	🔗 View
024	📖 Linux User Adding	Intermediate	🔗 View
025	📖 Linux User Removing	Beginner	🔗 View
026	📖 Linux User Modifying	Beginner	🔗 View
027	📖 Linux Text Editing	Beginner	🔗 View
028	📖 Linux File Difference Viewing	Beginner	🔗 View
029	📖 Linux Process Waiting	Beginner	🔗 View
030	📖 Linux Command Repeating	Beginner	🔗 View
031	📖 Linux Text Counting	Beginner	🔗 View
032	📖 Linux Non-interactive Downloading	Beginner	🔗 View
033	📖 Linux File/Command Finding	Beginner	🔗 View
034	📖 Linux Command Locating	Beginner	🔗 View
035	📖 Linux User Identifying	Beginner	🔗 View
036	📖 Linux Wildcard Character	Beginner	🔗 View
037	📖 Linux Command Building	Beginner	🔗 View
038	📖 Linux File Compression	Beginner	🔗 View
039	📖 Manage Multiple Terminals with Screen	Beginner	🔗 View
040	📖 Visualize File Differences with Icdiff	Beginner	🔗 View
041	📖 Crafting Striking Terminal Text with FIGlet	Beginner	🔗 View
042	📖 Count Lines of Code with CLOC	Beginner	🔗 View
043	📖 JSON Data Processing with jq	Beginner	🔗 View
044	📖 Transcribe Media to Text with Whisper	Beginner	🔗 View
045	📖 Enhance Copying and Moving with Advcpmv	Beginner	🔗 View
046	📖 Exploring File Systems with Eza	Beginner	🔗 View
047	📖 Explore Disk Usage with Ncdu	Beginner	🔗 View
048	📖 Build a Linux System Monitor Using Bash	Intermediate	🔗 View
049	📖 Monitor System Resources with Glances	Beginner	🔗 View
050	📖 Fast Searching with Ripgrep	Beginner	🔗 View
051	📖 File Structure Visualization with Tre	Beginner	🔗 View
052	📖 The Manuscript Mystery	Beginner	🔗 View
053	📖 Environment Variables in Linux	Beginner	🔗 View
054	📖 Configure Development Environment	Beginner	🔗 View
055	📖 Setting Up a New Project Structure	Beginner	🔗 View
056	📖 Organizing Files and Directories	Beginner	🔗 View
057	📖 Viewing Log and Configuration Files in Linux	Beginner	🔗 View
058	📖 Rapid Threat Detection	Beginner	🔗 View
059	📖 Finding the Pirate's Treasure	Beginner	🔗 View
060	📖 Cracking a Specific User Account	Intermediate	🔗 View
061	📖 User Account Management	Beginner	🔗 View
062	📖 Create Personalized Terminal Greeting	Beginner	🔗 View
063	📖 Getting Started with Linux	Beginner	🔗 View
064	📖 Linux tftp Command with Practical Examples	Beginner	🔗 View
065	📖 Linux strings Command with Practical Examples	Beginner	🔗 View
066	📖 Linux smbclient Command with Practical Examples	Beginner	🔗 View
067	📖 Linux nc(netcat) Command with Practical Examples	Beginner	🔗 View
068	📖 Linux lsblk Command with Practical Examples	Beginner	🔗 View
069	📖 Linux expect Command with Practical Examples	Beginner	🔗 View
070	📖 How to Customize Neofetch for Your Linux System	Beginner	🔗 View
071	📖 Installation and Basic Configuration of MySQL	Intermediate	🔗 View
072	📖 Database Management Fundamentals with MySQL	Beginner	🔗 View
073	📖 How to create a directory with spaces in the name in Linux	Beginner	🔗 View
074	📖 How to monitor real-time changes in a Linux log file with 'tail'	Beginner	🔗 View
075	📖 How to Troubleshoot SFTP Permission Denied Errors on Linux	Beginner	🔗 View
076	📖 Process Arguments in Bash Scripts	Beginner	🔗 View
077	📖 Manage Logs and Archives	Beginner	🔗 View
078	📖 Manage File Permissions	Beginner	🔗 View
079	📖 Log in and Switch Users	Beginner	🔗 View
080	📖 Locate Setuid Files	Beginner	🔗 View
081	📖 Implement Hard Links in Linux	Beginner	🔗 View
082	📖 Create and Manipulate Symbolic Links	Beginner	🔗 View
083	📖 Create and Extract Tar Archives	Beginner	🔗 View
084	📖 Using Hydra to Crack Passwords	Intermediate	🔗 View
085	📖 Network Scanning with Nmap	Beginner	🔗 View
086	📖 Introduction to Encryption with OpenSSL	Beginner	🔗 View
087	📖 Receive Messages Using Netcat	Beginner	🔗 View
088	📖 Decrypting Top Secret Document	Beginner	🔗 View
089	📖 How to Find the Target of a Symbolic Link	Beginner	🔗 View
090	📖 Weather Advisory System	Beginner	🔗 View
091	📖 How to Check if Unzip is Installed on Linux	Beginner	🔗 View
092	📖 Troubleshooting Su Authentication Failures on Linux	Beginner	🔗 View
093	📖 How to Find the Current User ID in Linux	Beginner	🔗 View
094	📖 How to Resolve the Could Not Open Lock File /var/lib/dpkg/lock-frontend Error on Linux	Beginner	🔗 View
095	📖 Interstellar Cargo Manifest	Beginner	🔗 View
096	📖 Linux Content Listing	Beginner	🔗 View
097	📖 Linux Manual Access	Beginner	🔗 View
098	📖 Linux Directory Creating	Beginner	🔗 View
099	📖 Linux File Scrolling	Beginner	🔗 View
100	📖 Linux File System Mounting	Intermediate	🔗 View
101	📖 Linux File Moving/Renaming	Beginner	🔗 View
102	📖 Linux Simple Text Editing	Beginner	🔗 View
103	📖 Linux Networking Utility	Beginner	🔗 View
104	📖 Linux Network Monitoring	Beginner	🔗 View
105	📖 Linux Line Numbering	Beginner	🔗 View
106	📖 Linux Password Changing	Intermediate	🔗 View
107	📖 Linux Line Merging	Beginner	🔗 View
108	📖 Linux Patch Applying	Beginner	🔗 View
109	📖 Linux Network Testing	Beginner	🔗 View
110	📖 Linux Python Package Installing	Beginner	🔗 View
111	📖 Linux Data Piping	Beginner	🔗 View
112	📖 Linux Pattern-Based Killing	Beginner	🔗 View
113	📖 Linux Text Formatting	Beginner	🔗 View
114	📖 Linux Process Displaying	Beginner	🔗 View
115	📖 Linux Directory Displaying	Beginner	🔗 View
116	📖 Linux Input Reading	Beginner	🔗 View
117	📖 Linux I/O Redirecting	Beginner	🔗 View
118	📖 Linux File Removing	Beginner	🔗 View
119	📖 Linux Stream Editing	Beginner	🔗 View
120	📖 Linux Shell Setting	Beginner	🔗 View
121	📖 Linux Execution Delaying	Beginner	🔗 View
122	📖 Linux Text Sorting	Beginner	🔗 View
123	📖 Linux Script Executing	Beginner	🔗 View
124	📖 Linux Secure Connecting	Beginner	🔗 View
125	📖 Linux User Switching	Beginner	🔗 View
126	📖 Linux Privilege Granting	Beginner	🔗 View
127	📖 Linux File End Display	Beginner	🔗 View
128	📖 Preserve Airship's Mystical Archives with Tar	Beginner	🔗 View
129	📖 Linux Output Multiplexing	Beginner	🔗 View
130	📖 Linux Condition Testing	Beginner	🔗 View
131	📖 Linux Command Timing	Beginner	🔗 View
132	📖 Linux Task Displaying	Beginner	🔗 View
133	📖 Linux File Creating/Updating	Beginner	🔗 View
134	📖 Linux Character Translating	Beginner	🔗 View
135	📖 Linux Directory Tree Display	Beginner	🔗 View
136	📖 Linux System Information Displaying	Beginner	🔗 View
137	📖 Linux Duplicate Filtering	Beginner	🔗 View
138	📖 Linux Variable Unsetting	Beginner	🔗 View
139	📖 Linux Unzip Decompression	Beginner	🔗 View
140	📖 Linux User Adding	Intermediate	🔗 View
141	📖 Linux User Removing	Beginner	🔗 View
142	📖 Linux User Modifying	Beginner	🔗 View
143	📖 Linux Text Editing	Beginner	🔗 View
144	📖 Linux File Difference Viewing	Beginner	🔗 View
145	📖 Linux Process Waiting	Beginner	🔗 View
146	📖 Linux Command Repeating	Beginner	🔗 View
147	📖 Linux Text Counting	Beginner	🔗 View
148	📖 Linux Non-interactive Downloading	Beginner	🔗 View
149	📖 Linux File/Command Finding	Beginner	🔗 View
150	📖 Linux Command Locating	Beginner	🔗 View
151	📖 Linux User Identifying	Beginner	🔗 View
152	📖 Linux Wildcard Character	Beginner	🔗 View
153	📖 Linux Command Building	Beginner	🔗 View
154	📖 Linux File Compression	Beginner	🔗 View
155	📖 Manage Multiple Terminals with Screen	Beginner	🔗 View
156	📖 Visualize File Differences with Icdiff	Beginner	🔗 View
157	📖 Crafting Striking Terminal Text with FIGlet	Beginner	🔗 View
158	📖 Count Lines of Code with CLOC	Beginner	🔗 View
159	📖 JSON Data Processing with jq	Beginner	🔗 View
160	📖 Transcribe Media to Text with Whisper	Beginner	🔗 View
161	📖 Enhance Copying and Moving with Advcpmv	Beginner	🔗 View
162	📖 Exploring File Systems with Eza	Beginner	🔗 View
163	📖 Explore Disk Usage with Ncdu	Beginner	🔗 View
164	📖 Build a Linux System Monitor Using Bash	Intermediate	🔗 View
165	📖 Monitor System Resources with Glances	Beginner	🔗 View
166	📖 Fast Searching with Ripgrep	Beginner	🔗 View
167	📖 File Structure Visualization with Tre	Beginner	🔗 View
168	📖 The Manuscript Mystery	Beginner	🔗 View
169	📖 Environment Variables in Linux	Beginner	🔗 View
170	📖 Configure Development Environment	Beginner	🔗 View
171	📖 Setting Up a New Project Structure	Beginner	🔗 View
172	📖 Organizing Files and Directories	Beginner	🔗 View
173	📖 Viewing Log and Configuration Files in Linux	Beginner	🔗 View
174	📖 Rapid Threat Detection	Beginner	🔗 View
175	📖 Finding the Pirate's Treasure	Beginner	🔗 View
176	📖 Hello, Bash!	Intermediate	🔗 View
177	📖 Working with Shell Variables	Beginner	🔗 View
178	📖 Passing Arguments to the Script	Beginner	🔗 View
179	📖 Shell Arrays	Beginner	🔗 View
180	📖 Arithmetic Operations in Shell	Beginner	🔗 View
181	📖 Basic String Operations	Beginner	🔗 View
182	📖 Conditional Statements in Shell	Beginner	🔗 View
183	📖 Interstellar Cargo Manifest	Beginner	🔗 View
184	📖 Weather Advisory System	Beginner	🔗 View
185	📖 How to Check if Unzip is Installed on Linux	Beginner	🔗 View
186	📖 Troubleshooting Su Authentication Failures on Linux	Beginner	🔗 View
187	📖 How to Find the Target of a Symbolic Link	Beginner	🔗 View
188	📖 How to Resolve SSH Copy-ID 'No Identities Found' Error	Beginner	🔗 View
189	📖 How to Find the Current User ID in Linux	Beginner	🔗 View
190	📖 How to Resolve the Could Not Open Lock File /var/lib/dpkg/lock-frontend Error on Linux	Beginner	🔗 View
191	📖 How to check the modification and access time of a file in Linux	Beginner	🔗 View
192	📖 How to copy files with specific patterns using wildcards in Linux	Beginner	🔗 View
193	📖 How to list contents of a zip archive in Linux	Beginner	🔗 View
194	📖 Exploring the Linux Stat Command for Retrieving File Metadata	Beginner	🔗 View
195	📖 How to Fix Could Not Chdir to Home Directory Error	Beginner	🔗 View
196	📖 How to install the bc command in Linux	Beginner	🔗 View
197	📖 How to enforce password complexity policies in Linux	Beginner	🔗 View
198	📖 How to test server connectivity with curl in Linux	Beginner	🔗 View
199	📖 How to list current Shell options with the set command in Linux	Beginner	🔗 View
200	📖 How to sort processes by different criteria in htop	Beginner	🔗 View
201	📖 How to terminate a Linux screen session	Beginner	🔗 View
202	📖 How to handle 'no such file or directory' error	Beginner	🔗 View
203	📖 Learn Nmap Basic Command Syntax	Beginner	🔗 View
204	📖 Install Nmap and Perform Port Scanning	Beginner	🔗 View
205	📖 Learn Nmap Installation and Basic Usage	Intermediate	🔗 View
206	📖 Cracking a Specific User Account	Intermediate	🔗 View
207	📖 Decrypting Top Secret Document	Beginner	🔗 View
208	📖 Receive Messages Using Netcat	Beginner	🔗 View
209	📖 Introduction to Encryption with OpenSSL	Beginner	🔗 View
210	📖 Network Scanning with Nmap	Beginner	🔗 View
211	📖 Using Hydra to Crack Passwords	Intermediate	🔗 View
212	📖 Create and Extract Tar Archives	Beginner	🔗 View
213	📖 Create and Manipulate Symbolic Links	Beginner	🔗 View
214	📖 Implement Hard Links in Linux	Beginner	🔗 View
215	📖 Locate Setuid Files	Beginner	🔗 View
216	📖 Log in and Switch Users	Beginner	🔗 View
217	📖 Manage File Permissions	Beginner	🔗 View
218	📖 Manage Logs and Archives	Beginner	🔗 View
219	📖 Process Arguments in Bash Scripts	Beginner	🔗 View
220	📖 How to Troubleshoot SFTP Permission Denied Errors on Linux	Beginner	🔗 View
221	📖 How to monitor real-time changes in a Linux log file with 'tail'	Beginner	🔗 View
222	📖 How to create a directory with spaces in the name in Linux	Beginner	🔗 View
223	📖 Database Management Fundamentals with MySQL	Beginner	🔗 View
224	📖 Installation and Basic Configuration of MySQL	Intermediate	🔗 View
225	📖 How to Customize Neofetch for Your Linux System	Beginner	🔗 View
226	📖 Linux expect Command with Practical Examples	Beginner	🔗 View
227	📖 Linux lsblk Command with Practical Examples	Beginner	🔗 View
228	📖 Linux nc(netcat) Command with Practical Examples	Beginner	🔗 View
229	📖 Linux smbclient Command with Practical Examples	Beginner	🔗 View
230	📖 Linux strings Command with Practical Examples	Beginner	🔗 View
231	📖 Linux tftp Command with Practical Examples	Beginner	🔗 View
232	📖 Getting Started with Linux	Beginner	🔗 View
233	📖 Create Personalized Terminal Greeting	Beginner	🔗 View
234	📖 How to check if the system is 32-bit or 64-bit in Linux	Beginner	🔗 View

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