How to Use cp Command in Linux: Syntax and Examples

Use the cp command in Linux to copy files or directories from one location to another. The basic syntax is cp [options] source destination, where you specify the file or folder to copy and where to copy it.

Syntax

The basic syntax of the cp command is:

• cp: The command to copy files or directories.
• [options]: Optional flags to modify behavior (like recursive copy).
• source: The file or directory you want to copy.
• destination: The location or filename where you want to copy to.

bash

cp [options] source destination

Example

This example copies a file named file1.txt to a new file named file2.txt in the same directory.

It shows how to copy a single file and create a duplicate with a new name.

bash

cp file1.txt file2.txt
ls file2.txt

Output

file2.txt

Common Pitfalls

One common mistake is forgetting to use the -r option when copying directories. Without -r, cp will not copy folders and will show an error.

Another pitfall is overwriting files without warning if you don't use the -i (interactive) option.

bash

cp myfolder backup/
# This will fail because -r is missing

cp -r myfolder backup/
# Correct way to copy a directory recursively

cp file1.txt file2.txt
# Overwrites file2.txt silently

cp -i file1.txt file2.txt
# Asks before overwriting file2.txt

Output

cp: -r not specified; omitting directory 'myfolder'
# (error message)
# No output for correct commands
# Prompt appears for -i option if file2.txt exists

Quick Reference

Option	Description
-r	Copy directories recursively
-i	Ask before overwriting files
-v	Show files being copied (verbose)
-u	Copy only when source is newer than destination
-p	Preserve file attributes (mode, ownership, timestamps)

Key Takeaways

Use cp source destination to copy files in Linux.

Add -r to copy directories and their contents recursively.

Use -i to avoid accidentally overwriting files without warning.

The -v option helps see what files are being copied.

Always check your destination path to avoid unwanted overwrites.