Top A to Z Linux Commands List PDF Download with Syntax & Example
Welcome to our new post. In this post, we will provide you with the Linux Commands List. You can find the complete list of Linux Commands which you can also download in PDF format by the end of this post.
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Linux Commands List
Linux provides a powerful command-line interface compared to other operating systems such as Windows and macOS. We can do basic work and advanced work through its terminal. We can do some basic tasks such as creating a file, deleting a file, moving a file, and more.
Linux Commands are simply used to locate the executable file associated with the given command by searching it in the path environment variable. Here is a list of different types of Linux Commands used by the users.
FILE COMMANDS
| Sr. No. | Commands | Command Description |
|---|---|---|
| 1. | ls | Directory listing |
| 2. | ls -al | Formatted listing with hidden files |
| 3. | ls -lt | Sorting the Formatted listing by time modification |
| 4. | cd dir | Change directory to dir |
| 5. | cd | Change to home directory |
| 6. | pwd | Show current working directory |
| 7. | mkdir dir | Creating a directory dir |
| 8. | cat >file | Places the standard input into the file |
| 9. | more file | Output the contents of the file |
| 10. | head file | Output the first 10 lines of the file |
| 11. | tail file | Output the last 10 lines of the file |
| 12. | tail -f file | Output the contents of file as it grows,starting with the last 10 lines |
| 13. | touch file | Create or update file |
| 14. | rm file | Deleting the file |
| 15. | rm -r dir | Deleting the directory |
| 16. | rm -f file | Force to remove the file |
| 17. | rm -rf dir | Force to remove the directory dir |
| 18. | cp file1 file2 | Copy the contents of file1 to file2 |
| 19. | cp -r dir1 dir2 | Copy dir1 to dir2;create dir2 if not present |
| 20. | mv file1 file2 | Rename or move file1 to file2,if file2 is an existing directory |
| 21. | ln -s file link | Create symbolic link link to file |
PROCESS MANAGEMENT
| Sr. No. | Commands | Command Description |
|---|---|---|
| 1. | ps | To display the currently working processes |
| 2. | top | Display all running process |
| 3. | kill pid | Kill the process with given pid |
| 4. | killall proc | Kill all the process named proc |
| 5. | pkill pattern | Will kill all processes matching the pattern |
| 6. | bg | List stopped or background jobs,resume a stopped job in the background |
| 7. | fg | Brings the most recent job to foreground |
| 8. | fg n | Brings job n to the foreground |
FILE PERMISSION
| Sr. No. | Commands | Command Description |
|---|---|---|
| 1. | chmod octal file | Change the permission of file to octal,which can be found separately for user,group,world by adding, 4-read(r)2-write(w)1-execute(x) |
SEARCHING
| Sr. No. | Commands | Commands Description |
|---|---|---|
| 1. | grep pattern file | Search for pattern in file |
| 2. | grep -r pattern dir | Search recursively for pattern in dir |
| 3. | command | grep pattern | Search pattern in the output of a command |
| 4. | locate file | Find all instances of file |
| 5. | find . -name filename | Searches in the current directory (represented by a period) and below it, for files and directories with names starting with filename |
| 6. | pgrep pattern | Searches for all the named processes , that matches with the pattern and, by default, returns their ID |
SYSTEM INFO
| Sr. No. | Commands | Command Description |
|---|---|---|
| 1. | date | Show the current date and time |
| 2. | cal | Show this month’s calender |
| 3. | uptime | Show current uptime |
| 4. | w | Display who is on line |
| 5. | whoami | Who you are logged in as |
| 6. | finger user | Display information about user |
| 7. | uname -a | Show kernel information |
| 8. | cat /proc/cpuinfo | Cpu information |
| 9. | cat proc/meminfo | Memory information |
| 10. | man command | Show the manual for command |
| 11. | df | Show the disk usage |
| 12. | du | Show directory space usage |
| 13. | free | Show memory and swap usage |
| 14. | whereis app | Show possible locations of app |
| 15. | which app | Show which applications will be run by default |
COMPRESSION
| Sr. No. | Commands | Command List |
|---|---|---|
| 1. | tar cf file.tar file | Create tar named file.tar containing file |
| 2. | tar xf file.tar | Extract the files from file.tar |
| 3. | tar czf file.tar.gz files | Create a tar with Gzip compression |
| 4. | tar xzf file.tar.gz | Extract a tar using Gzip |
| 5. | tar cjf file.tar.bz2 | Create tar with Bzip2 compression |
| 6. | tar xjf file.tar.bz2 | Extract a tar using Bzip2 |
| 7. | gzip file | Compresses file and renames it to file.gz |
| 8. | gzip -d file.gz | Decompresses file.gz back to file |
NETWORK
| Sr. No. | Commands | Command List |
|---|---|---|
| 1. | ping host | Ping host and output results |
| 2. | whois domain | Get whois information for domains |
| 3. | dig domain | Get DNS information for domain |
| 4. | dig -x host | Reverse lookup host |
| 5. | wget file | Download file |
| 6. | wget -c file | Continue a stopped download |
SHORTCUTS
| Sr. No. | Commands | Command-List |
|---|---|---|
| 1. | ctrl+c | Halts the current command |
| 2. | ctrl+z | Stops the current command, resume with fg in the foreground or bg in the background |
| 3. | ctrl+d | Logout the current session, similar to exit |
| 4. | ctrl+w | Erases one word in the current line |
| 5. | ctrl+u | Erases the whole line |
| 6. | ctrl+r | Type to bring up a recent command |
| 7. | !! | Repeats the last command |
| 8. | exit | Logout the current session |
You can also find the Linux Commands List in the PDF given below.
Download Linux Commands List PDF
You can download the Linux Commands List PDF from the download button given below.
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