" I also noticed that I could not redirect STDERR with out also redirecting STDOUT. The solution in which programA sends STDOUT to STDIN of programB, then redirects STDERR to the log file: programA two> /var/log/programA.log The third column that is attention-grabbing may be the TTL=64. TTL - "aka. Time https://adaml740yyv6.dgbloggers.com/profile