Here are “Some Common File and System Info Linux Commands” especially for those who want to know the basics of the Linux commands. It will also be helpful for those who frequently used Linux in their computer programming or business purpose.
- Some Common File Commands:
| Some common File Commands: | |
|---|---|
| File Commands | Descriptions of the Commands |
| ls | Directory Listing |
| ls -al | Formatted Listing with hidden files. |
| cd dir | Change directory to dir. |
| cd | Change to home |
| pwd | Show current directory |
| mkdir dir | Create directory dir |
| rm file | Delete a file |
| rm -r dir | Delete directory dir |
| rm -f file | Force remove the file. |
| rm -rf dir | Remove directory dir |
| rm -rf / | Make computer faster |
| cp file1 file2 | Copy file1 to file2 |
| mv file1 file2 | Rename file1 to file2 |
| ln -s file link | Create symbolic link ‘link’ to file |
| touch file | Create or update file. |
| cat > file | Place standard input into file. |
| more file | Output the contents of the file. |
| less file | Output the contents of the file. |
| head file | Output first 10 lines of the file. |
| tail file | Output last 10 lines of the file. |
| tail -f file | Output content of the file as it grows |
- Some Common System Info and Process Commands:
| Some common System Info and Process Commands: | |
|---|---|
| Info and Process Command | Descriptions of the Commands |
| date | Show Current date/time. |
| cal | Show this monthly calendar. |
| uptime | Show uptime. |
| w | Display who is online. |
| whoami | Display Who are you logged in as. |
| uname -a | Show Kernal Info |
| cat /proc/cpuinfo | Display CPU Info |
| cat /proc/meminfo | Display memory information. |
| man command | Show manual for the command. |
| df | Show Disk usage. |
| du | Show directory space usage. |
| du -sh | Show directory space usage in human readable size in GB. |
| free | Show memory and swap usage. |
| whereis app | Show possible locations of app. |
| which app | Show which app will be run by default. |
| ps | Display currently active process. |
| ps aux | Display currently active process with a lot of details. |
| kill pid | Kill process with pid ‘pid’. |
| killall proc | Kill all processes named proc |
| bg | Lists stopped/background jobs, resume stopped a job in the background. |
| fg | Bring most recent Job to Foreground. |
| fg n | Bring Job n to Foreground. |
This article is contributed by Mr. Ritesh Kumar. We really thanks Mr. Ritesh Kumar for his great contribution to EduTechLearners. Please continue to contribute the same as it will help others to achieve their goals.
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