File Operations commands
- pwd Print Name Of Current/Working Directory
- cd Changing The Working Directory
- cp Copy Files Or Directory
- rm Remove Files And Directory
- ls List Of Directory Contents
- mkdir Make Directory
- cat Concatenate Files And Print On Standard Output
- mv Move Files
- chmod Change Files Permissions
System commands
- uname Print System Information
- who Show Who Is Logged On
- cal Displays Calculator
- date Print System Date And Time
- df Report File System Disk Space Usage
- du Estimate File Space Usage
- ps Displays Information Of Current Active Processes
- kill Allows To Kills Process
- clear Clear The Terminal Screen
- cat /proc/cpuinfo Cpuinfo Display CPU Information
- cat /proc/meminfo Display Memory Information
Compression commands
- tar To Store And Extract Files From An Archive File Known As Tar File
- gzip Compress Or Decompress Named Files
Network commands
- ipconfig To Config Network Interface
- ping Check The Other System Are Reachable From The Host System
- wget Download Files From Network
- ssh Remote Login Program
- ftp Download/Upload Files From/To Remote System
- last Displays List Of Last Logged In User
- telnet Used To Communicate With Another Host Using THe Telnet Protocol
Search commands
- grep Search Files(s) For Specific Text
- find Search For Files In A Directory Hierarchy
- locate Find Files By Name
