Kay questions

• Delete all characters using sed except missing values
• Probability Distribution of each unique numbers in an array (length unknown) after excluding zeros
• How to plot line graphs with different x-range in one figure using gnuplot
• how to break one column into multiple columns in Linux [duplicate]
• How to rearrange the columns using awk?
• Mathematical expression in print command in Linux
• How to make a loop with multiple columns in shell?
• How to delete the rows whose column 2 and column 3 matches with some previous using awk?
• Command to execute a script later
• Count the number of connected non-zeros along rows and columns but not diagonaly in a Matrix in shell script

Kay answers