IV SEMESTER B.C.A. EXAMINATIONS MAY/JUNE 2010
Y2K8 Scheme
COMPUTER SCIENCE
BCA 406:Unix Programming
TIME:3HOURS MAX.MARKS:60
SECTION-A
Answer any ten questions 10 X1=10
1.What are the types of commands available in unix operating system ?
2.Mention the differnet types of file permisssion available in unix operating system.
3.What are the modes in which a unix process can run ?
4.Mention the command used to check the amount of disk free in unix.
5.Write the command used to terminate the background process forcibly.
6.Mention any two unix system calls used for process control.
7.Mention the purpose of any two SEO commands..
8.What is shell script ?
9.Write the usage of scale function in bc command.
10.What are positional parameters ?
11.Write the difference between who and finger commands.
12.Who is called a superuser of a unix system ?
SECTION-B
Answer any five questions 5 X 3 = 15
13.Write any 3 differences between unix operating system and DOS.
14.Explain the differnet types of process.
15.Explain the purpose of Ulimit command.
16.Explain pipling with an example.
17. Explain different types of modes in VI editor.
18.Write a shell script to find the largest of 3 numbers.
19.Explain the usage of the following commands
a) write b)wall c) Mail
20.Write a note on Backup and restore.
SECTION-C
Answer any five questions 5 X 7 = 35
21.Explain the features of unix operating system.
22.What is an inode ? Explain with an example how inodes are allocated.
23.What is a process ?Explain the different states of a process with a neat diagram.
24.Explain mounting and unmounting of file system in unix.
25.Define a filter. Explain any 3 filter commands with syntax and example.
26.Explain the usage of test command to perform file test and string comparison with examples
27,Write a shell script to display prime numbers between m and n wheere m <n
28.Explain sending and handling mails in unix
Y2K8 Scheme
COMPUTER SCIENCE
BCA 406:Unix Programming
TIME:3HOURS MAX.MARKS:60
SECTION-A
Answer any ten questions 10 X1=10
1.What are the types of commands available in unix operating system ?
2.Mention the differnet types of file permisssion available in unix operating system.
3.What are the modes in which a unix process can run ?
4.Mention the command used to check the amount of disk free in unix.
5.Write the command used to terminate the background process forcibly.
6.Mention any two unix system calls used for process control.
7.Mention the purpose of any two SEO commands..
8.What is shell script ?
9.Write the usage of scale function in bc command.
10.What are positional parameters ?
11.Write the difference between who and finger commands.
12.Who is called a superuser of a unix system ?
SECTION-B
Answer any five questions 5 X 3 = 15
13.Write any 3 differences between unix operating system and DOS.
14.Explain the differnet types of process.
15.Explain the purpose of Ulimit command.
16.Explain pipling with an example.
17. Explain different types of modes in VI editor.
18.Write a shell script to find the largest of 3 numbers.
19.Explain the usage of the following commands
a) write b)wall c) Mail
20.Write a note on Backup and restore.
SECTION-C
Answer any five questions 5 X 7 = 35
21.Explain the features of unix operating system.
22.What is an inode ? Explain with an example how inodes are allocated.
23.What is a process ?Explain the different states of a process with a neat diagram.
24.Explain mounting and unmounting of file system in unix.
25.Define a filter. Explain any 3 filter commands with syntax and example.
26.Explain the usage of test command to perform file test and string comparison with examples
27,Write a shell script to display prime numbers between m and n wheere m <n
28.Explain sending and handling mails in unix
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