Unix 14 questions
Posted on 2015-02-21
I attended an Unix Oracle interview last week and i managed to answer the questions with the help of knowledge which i have gained from you/EE.
But i would like to know various method of doing the same . So request you to spend some time and answer the queries below .
1.What is difference between softlink and hardlink?
2.What is file system in Unix?
3.What does #! (shebang) tells in the script ?
4.What is nohup?
5.How to pass a variable var1=TEST from parent script 1.sh to child script 2.sh?
6.How to find files which was modified in last 30 days?
7.How to find files which was not modified in last 30 days?
8.What is the difference between ONICE and ONHOLD in Autosys?
9.How to print the 50th line in a file?
10.Difference between grep and find?
11.Difference between du and df?
12.How to terminate a process in shell?
13.How to read/list a compressed file?
14.How to add a line "TEXT" in the 1st and last line of the file?