Tadbhav Anchan Div: D14A Roll no: 04 Linux Experiment: 02 Aim: - To study essential Linux Commands 1. Change the modification time of a file to midnight of 01/01/1996 2. Convert all capital letters in a file to small case letters. 3. Change the prompt to “What next” while using the PS command 4. Merge and sort the contents of file a,b and c and display the sorted output on the screen. Tadbhav Anchan Div: D14A Roll no: 04 5. Extract the address field from a file which contains records having fields like name :age:address:phone 6. Merge the contents of the file f1 with the inputs supplied from the keyboard and store the sorted output in a file f2. 7. Display all lines in a file which contain the word ‘poem’ from a file English.txt. You should be able to report all occurrence like Poem,poEm,POEm,etc.You are not allowed to use a command line option to ignore the case while searching. Tadbhav Anchan Div: D14A Roll no: 04 8. Search all lines in a file which end with semicolon. 9. Search all lines in a file which do not end with semicolon. 10. Report number of lines which contain a number for each file in the current Directory.