Jay jargot questions

Jay jargot answers

• extract some lines according to one field using bash scripting
• Recursively find all files containing 'string.txt' in file name [duplicate]
• How can I control the number of running processes?
• Prevent unix tree from displaying back-slash before spaces
• bash: How to add space in string?
• Bash : read + completion
• How to add elements to an array in Bash on each iteration of a loop?