Unix / Linux: Create Binary File from Hex Dump January 17th, 2016 Objective: Create or convert a text hex dump input file to a binary file on Unix / Linux.
Unix / Linux: Display Running Clock in Terminal January 10th, 2016 Objective: On a Unix or Linux, display a running clock on the top right hand corner of a shell terminal.
Unix / Linux: Create File of Certain Size January 3rd, 2016 Objective: Create a new file on Unix / Linux which is of certain size.
Unix / Linux: Grep on One Column December 20th, 2015 Objective: Perform grep on one single column and if there’s a match, print the whole line.
Unix / Linux: Use Netcat to Check If Port Is Open December 12th, 2015 Objective: Use netcat (often abbreviated to nc) to check if a remote TCP or UDP port is open.
Shell Script: Check Leap Year December 5th, 2015 Objective: Use a shell script to read a year and check whether it is a leap year or not.
Unix / Linux: Change File Owner from One User to Another November 14th, 2015 Objective: Change ownership of all files belonging to a given user, within a targeted directory, to another specified user on Unix / Linux.
Unix / Linux: Run Command with Timeout September 27th, 2015 Objective: Execute / Run a command and kill it if it’s still running after a specified duration on Unix / Linux.
Unix / Linux: Rename Multiple Files September 6th, 2015 Objective: Rename multiple files in a directory on Unix or Linux.
Bash: Get Exit Status Values of All Piped Commands August 16th, 2015 Objective: Get the exit status codes of all commands executed in a foreground pipeline (for example ‘command1 | command2 | command3’).