Grisha Levit questions

Grisha Levit answers

• How to concatenate two files (removing the first line of the second file) in a single line of unix command?
• What does "file system outputs" mean with time -v?
• Bash, obtain email body from a text file including the email
• Warning: Could not start program with arguments. Warning: Exec format error
• Does Process.waitFor() make the process reliant on the java parent? [duplicate]
• perf: why don't I have "syscall" counters?
• UNIX(AIX) script to process a file using only awk or other file processing utilities
• Is there a way to redirect output in bash to different places with different filters?
• Loop through rows and multiple columns in bash
• git !alias that would work in both bash and Powershell