This easy. Just type logger on the command line and your message will be added to the end of the /var/log/syslog file. $ logger comment to be added to log $ tail -1 /vvar/log/syslog May 21 18:02:16 ...

The script command not only makes a record of what commands you run but also allows you to save the output generated so that you can examine it later or easily turn your command sequences into scripts ...

If you've written any amount of bash code, you've likely come across the trap command. Trap allows you to catch signals and execute code when they occur. Signals are asynchronous notifications that ...

The printf command offers well-defined behavior following the POSIX standard, which means it works the same way across shells ...

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t presume to tell you that ...

If you add additional read lines before the loop, you can often get additional filenames to print before you get the error. So it seemed like the pipe from the ...