How to Save Command Output to a File in Linux

Aaron Kili

Viewing Output On Screen and also Writing to a File Assuming you want to get a full summary of available and used disk space of a file system on a Linux system, you can employ the df command; it also helps you determine the file system type on a partition. $ df -h Now to display the above information on the screen and also write it to a file, say for later analysis and/or send to a system administrator via email, run the command below. If a file(s) already exists, you can append it using the -a or –append option like this. $ df -h

tee -a df.log Note: You can also use pydf an alternative “df” command to check disk usage in different colors. In this short article, I showed you how to view output of a command on the screen and also write to a file in Linux.

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