Who developed the Linux ?
1. charls babbage
2. Linus Torvalds
3. Alan Turing
4. none
|
Linus Torvalds |
what is knoppix ?
1. CD version of the Linux
2. Version of the Linux
3. properties of linux
4. none |
CD version of the Linux |
What terminology is not used in the Linux ?
1. Shell
2. Process
3. File
4. Folder
|
Folder |
What do you mean by Linux utilities ?
1. System software
2. application software
3. Both
4. none
|
System software |
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 |
communication media between user and Linux OS |
What is the System Call in linux?
1. Function
2. predefined function
3. properties
4. none
|
predefined function |
How many types of the shell in Linux ?
1. one
2. two
3. three
4. four |
Three
Three types of shell in Linux are: Bourne again shell(bash), korn shell(ksh), c shell(csh). |
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
|
generates a list of processes and their attributes |
Why we use the kill command?
1. stop process
2. terminate the process
3. wait the process
4. none
|
Terminate the process |
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
|
wait for one of its child processes to terminate |
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
|
executes the output of command as a regular shell command |
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
|
causes the shell's image to be replaced with command in the process' memory space. |
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
|
causes all of the positional parameters $2..$n to be renamed $1..$(n-1), and $1 to be lost. |
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
|
sets the shell's umask value to the specified octal number, or displays the current umask value if the argument is omitted |
which facilities are provided by the kernel ?
1. memory management
2. process management
3. interprocess communication (IPC)
4. all |
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 |
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 |
specify the time of execution of any command |
can functions be exported to subshells ?
1. True
2. False
|
True |
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 |
use for enter the directory |
why we use passwd command?
1. create password
2. change password
3. find password
4. none
|
change password |