View the Contents of a File in Linux Command Line
The usual way to view the contents of a file is to simply open it in a text editor. However, for more quick viewing and in fact, also for automating in a shell script, the
Shell Tips
How to Add Text to the Beginning of File in Linux
Linux command line users are familiar with the concept of redirection operators, which can write output to a file, or read input from a file. The operator ‘>’ writes output to a new file, or
How to Find and Delete Empty Directories in Linux
Many times empty directories get cluttered in the Linux file system, and it becomes a difficult task to manually search for and delete each of them. The command rmdir (remove directory) is used in Linux
How to Exclude Specific File Extension While Copying Files Recursively
As you might already know, ‘cp’ is the command line program in Linux to copy files and directories. The simple and most common use of ‘cp’ is as follows: $ cp file1 file2 file3… fileN
How to Verify SHA256 Checksum of File in Linux
Internet security is one of the most important aspects when it comes to the world wide web. There has been constant research and development to improve the security of applications and files on the Internet
How to Check Linux Commands History by Dates
The history command in Linux is used to view previously executed commands from the terminal. It will show a list of commands, with an ‘id’ next to each command. View History Last Executed Linux Commands
How to Send An Email With File Attachment from Command Line
The key to becoming an advanced Linux user is to use more of the command line and less of the GUI; more of the keyboard and less of the mouse! As the diaspora of Linux
How to Find Top 10 Running Processes by Memory and CPU Usage
Linux is quite popular for its command-line utilities, which not only make any task at hand easier but also saves a lot of time, which is otherwise wasted in graphical UI based utilities. This is
How to Symlink a File in Linux
A symbolic link, also known as ‘Symlink‘ is a special type of file in Linux, which is used for the purpose of pointing to another file. The symlink does not contain any other data apart
How to Change Open File Limit in Linux
In Linux, there are limits defined by the system for anything that consumes resources. For example, there are limits on how many arguments can be passed to a certain command, how many threads can run