Linux Interview Questions And Answers



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Linux Interview Questions And Answers

Questions

Who developed the Linux ?

1. charls babbage

2. Linus Torvalds

3. Alan Turing

4. none


what is knoppix ?

1. CD version of the Linux

2. Version of the Linux

3. properties of linux

4. none


What terminology is not used in the Linux ?

1. Shell


2. Process

3. File


4. Folder

What do you mean by Linux utilities ?

1. System software

2. application software

3. Both


4. none

Why we use the Shell?

1. communication media between user and Linux OS

2. communication media between user and Hardware

3. communication media between user and Application

4. none


What is the System Call in linux?

1. Function

2. predefined function

3. properties

4. none


How many types of the shell in Linux ?

1. one


2. two

3. three


4. four

Why we use this ps command in linux?

1. generates a list of processes and their attributes

2. generates a list of Action and their attributes

3. generates a list of processer and their attributes

4. none


Why we use the kill command?

1. stop process

2. terminate the process

3. wait the process

4. none


Why we use the Wait command?

1. wait for one processes to terminate

2. wait for one of its child processes to terminate

3. wait for one of its child processes to start

4. none


Why we use the eval command?

1. executes the output of command as a regular shell command

2. causes the shell's image to be replaced with command in the process' memory space.

3. causes all of the positional parameters $2..$n to be renamed $1..$(n-1), and $1 to be lost.

4. none


Why we use the exec command?

1. executes the output of command as a regular shell command

2. causes the shell's image to be replaced with command in the process' memory space.

3. causes all of the positional parameters $2..$n to be renamed $1..$(n-1), and $1 to be lost.

4. none


Why we use the shift command?

1. executes the output of command as a regular shell command

2. causes the shell's image to be replaced with command in the process' memory space.

3. causes all of the positional parameters $2..$n to be renamed $1..$(n-1), and $1 to be lost.

4. none


Why we use the umask command?1. sets the shell's umask value to the specified octal number, or displays the current umask value if the argument is omitted2. causes the shell\'s image to be replaced with command in the process\' memory space.3. causes all of the positional parameters $2..$n to be renamed $1..$(n-1), and $1 to be lost.4. none

which facilities are provided by the kernel ?

1. memory management

2. process management

3. interprocess communication (IPC)

4. all


what are the tasks not done by system administrator ?

1. starting and stopping Linux

2. maintaining the file system

3. maintaining the user a/cs

4. Compilation of program


what does the trap command do ?

1. specify the time of execution of any command

2. specify the command

3. specify the time

4. none


can functions be exported to subshells ?

1. True


2. False

what does the cd commands do ?

1. use for enter the directory

2. use for change the directory

3. use for create the directory

4. none


why we use passwd command?

1. create password

2. change password

3. find password



4. none



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