Copy-ready commandgrep — Basic Usage
grep -Rni "error" /var/log/appRequirements and permissions
- Requirements
- Linux with the referenced utility installed
- Permissions
- Use sudo or root only when required
- Last reviewed
- 2026-07-31
Examples
Basic Usage
Use grep for a standard administrative task.
grep -Rni "error" /var/log/appOriginal command
Search recursively for text.
grep -Rni "error" /var/log/appCommon errors
Command not found
Confirm Linux with the referenced utility installed is installed and available in your current shell.