j) Find the number of lines in the password file, on the server. /etc/passwd k) Create a directory called PROJECT1 and copy all the hidden files from your home directory into the PROJECT1 directory. IMPORTANT: Do NOT use the -r switch on the cp command when copying the hidden files. It is NOT required and will cause other directory structures to be copied and then they can not be removed! l) Show the directory listing for the PROJECT1 directory in reverse alphabetical order. m) Remove the PROJECT1 directory and all files in that directory. n) Print the calendar for June 2000 and November 2005. You must show the calendar entries side-by-side.

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Linux

An operating system (OS) is the software which manages hardware and resources, like CPU, storage and memory. The OS bridges the applications and hardware and makes the connections between all of your software and the hardware resources.