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Hi all, today I'm going to teach you not one, but two really cool things in one post! First, I'll introduce you to advanced memory usage stats available on Linux systems through /proc/meminfo file, and then I'll explain the basics of using the watch command.
The trash project allows you to interact with your desktop trashcan from the command line. It lets users "undo" deletions made with the trash command in a similar manner to restoring files from the trashcan in a desktop environment. For experienced Linux users, the trash command comes in handy when you want to put a file into the trashcan from the command line.
Oftentimes you’ll be in a situation where you want to run a command on a remote machine that will take a long time to complete, but you want to be able to issue the command and then log off and have that command run in the background. There are many ways you could achieve this, perhaps by using cron or at to schedule the command to run right away. However, there is a better way.
Functions may be defined at the command-line and then used as many times as needed as long as a new shell is not started. This feature of the Bash shell can be a handy tool if you are repeatedly performing the same command or series of commands.
Trying to run a program but facing weird errors? Well, most of the Linux users might have faced this situation. Many of us either spend hours searching on internet about the problem or wait for days on forums to get a reply. Sometimes we even give up and un-install the program.
This article is part of the on-going 15 example series where 15 examples will be provided for a specific command or functionality. In this series, earlier we discussed about find command, crontab examples, grep command, history command, ping command, and wget examples. In this article, let us review 15 examples for Linux top command that will be helpful for both newbies and experts.
Linux has come a long way in the past two years. Today much of what needs to be done on a Linux machine can be done using a mouse and a little pointing and clicking. Occasionally, however, there are things that still require a little under-the-hood tinkering, where a rudimentary understanding of the command line comes in handy.
If you’re a command line freak, you’ve probably use expr for common math calculations but did you know that the bc command allows you to do similar math calculations and is more powerful when it comes to bigger calculations?