Tag Archives: unix

Unix / Linux: Run Sudo Without Password

April 9th, 2017

Explains how to run sudo commands without a password on Unix and Linux systems by modifying the sudoers configuration file.

Unix / Linux: Concatenate Multiple Files

October 23rd, 2016

Learn how to concatenate multiple text or binary files into a single file on Unix / Linux. Also learn how to append the contents of a file to the end of another file or concatenate the same file to itself multiple times.

Unix / Linux: Find and Delete Zero Byte Files

September 25th, 2016

Explains how to find and delete zero byte size files using the find command on Unix and Linux. Also explains how to delete files only in the current directory using maxdepth and prune options.

Unix / Linux: Gunzip and Keep Original Files Unchanged

August 7th, 2016

Objective: Gunzip, by default will delete the .gz file after decompression. Learn how to retain the original files after extracting the .gz file.

Unix / Linux: Delete File with Special Characters

July 10th, 2016

Objective: Delete a file with names that contain spaces and/or special characters such as hyphen (-), semicolon (;), ampersand (&), dollar sign ($), question mark (?), asterisk (∗), etc.

Unix / Linux: Extract Tar File with Absolute Path

May 29th, 2016

Objective: Extract a tar file with absolute path to a relative or different path. For example, if a tar arahive contains the file /etc/hosts, it has to be extracted to /home/user/etc/hosts instead.