tail -15 dog cat horse
The tail utility displays the end of a file. The -15 tells tail to display the last fifteen lines of each specified file.
2. Who owns the data dictionary in Linux?
The SYS user owns the data dictionary. The SYS and SYSTEM users are created when the database is created.
zcat
The zcat utility allows you to examine the contents of a compressed file much the same way that cat displays a file.
which
The which command searches your path until it finds a command that matches the command you are looking for and displays its full path in Linux OS.
whatis
The whatis command displays a summary line from the man page for the specified command in Linux.
Use the -F option
In order to create a link to a directory you must use the -F option.