[Programming] Linux entry: grep -v command

grep -v command

Among shell commands, the grep command is a search command for text lines. grep -v is a reverse text line search. When there is a lot of console output, and there are many things we don't want to see, we can use the grep -v command.

• grep name: Indicates that only the content of name is viewed
• grep -v name: Indicates to view content other than name

Combined with the pipeline operator |, grep -v can be used in

1. Filter content in text
2. Combine ps -ef to view the process
3. Filter the contents of a folder
   Example: