Basic UNIX Interview Questions -

 

1) Unix Command to Check 32 bit or 64 bit - 

      uname -m

2) find  30 days older files in a directory?

      use find along with -mtime 

3) Find the files inside the directory and subdirectories?

4) Finding duplicates in a file?

    use sort along with uniq

5) sort the file based on a certain column?

   sort command with -c 

6) Check if the files exist or not?

-f in if statement

7) Check if the file is greater than the 0 bytes?

-s in if statement

8) Difference between grep and find command?

9) No. of parameters passed in the script?

 $#

10) how to Check the Status of the last executed Command?

 $?