4. Using Bash’s File Globbing A glob is sometimes called a wildcard. In our everyday work, we use globs pretty often. For example, “*.java” means all Java source files. If we want to delete all log files of the “app” application, we can execute: $ rm logs/app.log.*Copy ...
Removing empty lines from files is a common task in Linux Bash scripting. Empty lines can clutter up files and make them harder to read or process. Thankfully, the versatilesedcommand comes to the rescue. With its powerful text manipulation capabilities,sedprovides an efficient way to delete em...
1.To delete all files in a directory except a specific file, type the following command: rm -v !("filename") Delete All Files Except One File in Linux 2.To delete all files with the exception offilename1andfilename2: rm -v !("filename1"|"filename2") Delete All Files Except a ...
2: How to Remove Double Quotes in Bash Using tr Command in Bash The tr command can be used to delete specific characters from a string and in this way, it can be used to remove the double quotes by using: tr-d'"' Here’s an example bash script that uses tr to remove double quote...
What is a bash function? How to define and use functions in Bash? Function Variables Function Arguments Function Return How to delete a function? Nested Functions How to debug a bash function? Get an existing function definition Tracing code with traps Find where a bash function is defined ...
The files which needed to be edited are/etc/passwdwhich we already know, and/etc/shadow, which contains a line with the username and the hashed password. 5. Conclusion In this article, we discussed how to delete a user and what to do if that doesn’t work as expected....
We can use any of the above utilities to deal with relatively small files. What if we want to delete/remove a huge file/directory say about100-200GB? This may not be as easy as it seems, in terms of the time taken to remove the file (I/O scheduling) as well as the amount of ...
This command overwrites a file to hide its contents and, optionally, deletes it, making it impossible for any program in the Linux/Unix system to retrieve the file. We use the rm command in the terminal to delete files from the system. Files removed with the rm command may be recovered...
Now that you have created some files and directories, you can delete everything you've created so far. It can be easy to get disoriented in the terminal, which can have disastrous consequences. Use thepwdcommand to display exactly which part of the filesystem you're in. ...
1. How do I delete all stopped containers in Docker? To delete all stopped containers in Docker, use the following command: docker-composedown Copy This command will stop and remove all containers defined in yourdocker-compose.ymlfile. If you want to remove all stopped containers without using...