How do I add a user to group under Ubuntu Linux operating system using command line options?
I‘d like to send an email with the content of a text file using mail command in Unix / Linux operating system. How do I do it?
How do I install mysql database server under Debian Linux operating system running on HP server?
How do I open the TCP or UDP ports under UNIX / Linux like operating systems?
How do I find out file size under UNIX / Linux operating system and store the same to a variable called s?
How do I find out if a file is more than one hour old in a UNIX shell and take action on all matching file such as delete or move files.
Q. Accidentally, I had created a file called -foo. Now how do I remove a file with a name starting with ‘-’ under UNIX or Linux operating system? A. Use standard UNIX rm command, as follows: rm command Use rm command to remove files or directories as follows rm ./-foo rm ./-filename rm — -foo [...]
