In UNIX, ............ creates three subdirectories: 'PIS' and two subdirectories 'progs' and ‘data’ from just created subdirectory 'PIS'. (A) mdkir PIS/progs PIS/data PIS (B) mkdir PIS progs data (C) mkdir PIS PIS/progs PIS/data (D) mkdir PIS/progs data

In UNIX, ............ creates three subdirectories: 'PIS' and two subdirectories 'progs' and ‘data’ from just created subdirectory 'PIS'. (A) mdkir PIS/progs PIS/data PIS (B) mkdir PIS progs data (C) mkdir PIS PIS/progs PIS/data (D) mkdir PIS/progs data
by

1 Answer

Answer :

(C) mkdir PIS PIS/progs PIS/data
by

Related questions

What MS-DOS command is used to create a subdirectory ? (1) DIR/MK (2) MKDIR (3) CHDIR (4) RMDIR

Description : What MS-DOS command is used to create a subdirectory ? (1) DIR/MK (2) MKDIR (3) CHDIR (4) RMDIR

Last Answer : MKDIR

In UNIX operating system, when a process creates a new process using the fork() system call, which of the following state is shared between the parent process and child process? (A) Heap (B) Stack (C) Shared memory segments (D) Both Heap and Stack

Description : In UNIX operating system, when a process creates a new process using the fork() system call, which of the following state is shared between the parent process and child process? (A) Heap (B) Stack (C) Shared memory segments (D) Both Heap and Stack

Last Answer : (C) Shared memory segments 

Which command is used to copy all files having the string chap and any two characters after that to the progs directory? A. cp chap?? progs B. cp chap* progs C. cp chap[12] /progs/*.*

Description : Which command is used to copy all files having the string chap and any two characters after that to the progs directory? A. cp chap?? progs B. cp chap* progs C. cp chap[12] /progs/*.*

Last Answer : A. cp chap?? progs

Which statement is not true about process 0 in the Unix operating system? (A) Process 0 is called init process. (B) Process 0 is not created by fork system call. (C) After forking process 1, process 0 becomes swapper process. (D) Process 0 is a special process created when system boots.

Description : Which statement is not true about process 0 in the Unix operating system? (A) Process 0 is called init process. (B) Process 0 is not created by fork system call. (C) After forking process 1, process 0 becomes swapper process. (D) Process 0 is a special process created when system boots.

Last Answer : (A) Process 0 is called init process.

The Unix Kernel maintains two key data structures related to processes, the process table and the user structure. Which of following information is not the part of user structure? (A) File descriptor table (B) System call state (C) Scheduling parameters (D) Kernel stack

Description : The Unix Kernel maintains two key data structures related to processes, the process table and the user structure. Which of following information is not the part of user structure? (A) File descriptor table (B) System call state (C) Scheduling parameters (D) Kernel stack

Last Answer : (C) Scheduling parameters

In Unix operating system, special files are used to : (A) buffer data received in its input from where a process reads (B) provide a mechanism to map physical device to file names (C) store list of file names plus pointers associated with i-nodes (D) store information entered by a user application program or utility program

Description : In Unix operating system, special files are used to : (A) buffer data received in its input from where a process reads (B) provide a mechanism to map physical device to file names (C ... pointers associated with i-nodes (D) store information entered by a user application program or utility program

Last Answer : (B) provide a mechanism to map physical device to file names 

Which of the following information about the UNIX file system is not correct? (A) Super block contains the number of i-nodes, the number of disk blocks, and the start of the list of free disk blocks. (B) An i-node contains accounting information as well as enough information to locate all the disk blocks that holds the file’s data. (C) Each i-node is 256-bytes long. (D) All the files and directories are stored in data blocks.

Description : Which of the following information about the UNIX file system is not correct? (A) Super block contains the number of i-nodes, the number of disk blocks, and the start of the list of free disk blocks. (B ... Each i-node is 256-bytes long. (D) All the files and directories are stored in data blocks. 

Last Answer : (C) Each i-node is 256-bytes long.

Unix command to change the case of first three lines of file “shortlist” from lower to upper (1) $ tr ‘[a-z]’ ‘[A-Z]’ shortlist | head-3 (2) $ head-3 shortlist | tr ‘[a-z]’ ‘[A-Z]’ (3) $ tr head-3 shortlist ‘[A-Z]’ ‘[a-z]’ (4) $ tr shortlist head-3 ‘[a-z]’ ‘[A-Z]’

Description : Unix command to change the case of first three lines of file “shortlist” from lower to upper (1) $ tr ‘[a-z]’ ‘[A-Z]’ shortlist | head-3 (2) $ head-3 shortlist | tr ‘[a-z]’ ‘[A-Z]’ (3) $ tr head-3 shortlist ‘[A-Z]’ ‘[a-z]’ (4) $ tr shortlist head-3 ‘[a-z]’ ‘[A-Z]’

Last Answer : (2) $ head-3 shortlist | tr ‘[a-z]’ ‘[A-Z]’ 

I just bought a new asus eepc using linux, can I install some of the progs I used on my previous windows vista?

Description : I just bought a new asus eepc using linux, can I install some of the progs I used on my previous windows vista?

Last Answer : You can't directly install a windows program on Linux. Your best bet is to see if the authors have released multi-platform downloads.You can find the answer to your questions directly on the websites for the product. ... with Linux, is to give Wine a try. P.S. How do you like your eepc so far?

On operating system level in the log subdirectory of the transport directory, you find the file DEVI990123 QAS What is this file? A. This is the log for the export of transport request DEVK990123 from system QAS B. This is the tp system log of the QAS system from January 23, 1999 C. This is the log file for the main import of transport request DEVI990123into system SAP D. This is the data file of transport request DEVI990123 which is to be imported into QAS system

Description : On operating system level in the log subdirectory of the transport directory, you find the file DEVI990123 QAS What is this file? A. This is the log for the export of transport request DEVK990123 ... D. This is the data file of transport request DEVI990123 which is to be imported into QAS system

Last Answer : C. This is the log file for the main import of transport request DEVI990123into system SAP

In Unix, how do you check that two given strings a and b are equal ? (A) test $a -eq $b (B) test $a -equal $b (C) test $a=$b (D) Sh -C test $a==$b

Description : In Unix, how do you check that two given strings a and b are equal ? (A) test $a -eq $b (B) test $a -equal $b (C) test $a=$b (D) Sh -C test $a==$b

Last Answer : (C) test $a=$b Answer: C Explanation: Tests for a zero-length string: test -z string Tests for a nonzero string length: test -n string Tests two strings for equality: ... Tests two strings for inequality: test string1 != string2 Tests for a nonzero string length: test string

The agency that sits between the user and the UNIX system is called the A. logic B. profile C. shell D. erxc E. None of the above

Description : The agency that sits between the user and the UNIX system is called the A. logic B. profile C. shell D. erxc E. None of the above

Last Answer : C. shell

State true or false. i) Unix, support multiple user process but only support one thread per process. ii) A java run time environment is an example of a system of one process with multiple threads. A) True, False B) True, True C) False, True D) False, False

Description : State true or false. i) Unix, support multiple user process but only support one thread per process. ii) A java run time environment is an example of a system of one process with multiple threads. A) True, False B) True, True C) False, True D) False, False

Last Answer : B) True, True

……………….. is a example of an operating system that support single user process and single thread. A) UNIX B) MS-DOS C) OS/2 D) Windows 2000

Description : ……………….. is a example of an operating system that support single user process and single thread. A) UNIX B) MS-DOS C) OS/2 D) Windows 2000

Last Answer : B) MS-DOS

A UNIX file system has 1 KB block size and 4-byte disk addresses. What is the maximum file size if the inode contains ten direct block entries, one single indirect block entry, one double indirect block entry and one triple indirect block entry? (A) 30 GB (B) 64 GB (C) 16 GB (D) 1 GB

Description : A UNIX file system has 1 KB block size and 4-byte disk addresses. What is the maximum file size if the inode contains ten direct block entries, one single indirect block entry, one double indirect block entry and one triple indirect block entry? (A) 30 GB (B) 64 GB (C) 16 GB (D) 1 GB

Last Answer : (C) 16 GB

The directory structure used in Unix file system is called (A) Hierarchical directory (B) Tree structured directory (C) Directed acyclic graph (D) Graph structured directory

Description : The directory structure used in Unix file system is called (A) Hierarchical directory (B) Tree structured directory (C) Directed acyclic graph (D) Graph structured directory

Last Answer : (C) Directed acyclic graph

................. maintains the list of free disk blocks in the Unix file system. (A) I-node (B) Boot block (C) Super block (D) File allocation table

Description : ................. maintains the list of free disk blocks in the Unix file system. (A) I-node (B) Boot block (C) Super block (D) File allocation table

Last Answer : (C) Super block 

The Unix command: $ vi file1 file2 (A) Edits file1 and stores the contents of file1 in file2 (B) Both files i.e. file1 and file2 can be edited using ‘ex’ command to travel between files (C) Both files can be edited using the ‘mv’ command to move between the files (D) Edits file1 first, saves it and the edits file2

Description : The Unix command: $ vi file1 file2 (A) Edits file1 and stores the contents of file1 in file2 (B) Both files i.e. file1 and file2 can be edited using ex' command to travel between files (C) Both ... using the mv' command to move between the files (D) Edits file1 first, saves it and the edits file2

Last Answer : (B) Both files i.e. file1 and file2 can be edited using ‘ex’ command to travel between files

A unix file may be of type: (A) Regular file (B) Directory File (C) Device File (D) Any one of the above

Description : A unix file may be of type: (A) Regular file (B) Directory File (C) Device File (D) Any one of the above 

Last Answer : (D) Any one of the above

What will be the output of the following Unix command ? $rm chap0\[1 - 3\] (A) Remove file chap0[1 - 3] (B) Remove file chap01, chap02, chap03 (C) Remove file chap\[1 - 3\] (D) None of the above

Description : What will be the output of the following Unix command ? $rm chap0\[1 - 3\] (A) Remove file chap0[1 - 3] (B) Remove file chap01, chap02, chap03 (C) Remove file chap\[1 - 3\] (D) None of the above

Last Answer : (A) Remove file chap0[1 - 3]

In Unix, the command to enable execution permission for file “mylife” by all is ................ (A) Chmod ugo+X myfile (B) Chmod a+X myfile (C) Chmod +X myfile (D) All of the above

Description : In Unix, the command to enable execution permission for file “mylife” by all is ................ (A) Chmod ugo+X myfile (B) Chmod a+X myfile (C) Chmod +X myfile (D) All of the above

Last Answer : (D) All of the above

A unix file system has 1-KB blocks and 4-byte disk addresses. What is the maximum file size if i-nodes contain 10 direct entries and one single, double and triple indirect entry each? (A) 32 GB (B) 64 GB (C) 16 GB (D) 1 GB

Description : A unix file system has 1-KB blocks and 4-byte disk addresses. What is the maximum file size if i-nodes contain 10 direct entries and one single, double and triple indirect entry each? (A) 32 GB (B) 64 GB (C) 16 GB (D) 1 GB

Last Answer : (C) 16 GB

In Unix, the login prompt can be changed by changing the contents of the file ............... (A) contrab (B) init (C) gettydefs (D) inittab

Description : In Unix, the login prompt can be changed by changing the contents of the file ............... (A) contrab (B) init (C) gettydefs (D) inittab

Last Answer : Answer: C

Which of the following statement is not correct with reference to cron daemon in UNIX O.S? (A) The cron daemon is the standard tool for running commands on a predetermined schedule. (B) It starts when the system boots and runs as long as the system is up. (C) Cron reads configuration files that contain list of command lines and the times at which they invoked. (D) Crontab for individual users are not stored.

Description : Which of the following statement is not correct with reference to cron daemon in UNIX O.S? (A) The cron daemon is the standard tool for running commands on a predetermined schedule. (B) It starts ... command lines and the times at which they invoked. (D) Crontab for individual users are not stored.

Last Answer : (D) Crontab for individual users are not stored.

What is the function of following UNIX command? WC – l<a >b& (A) It runs the word count program to count the number of lines in its input, a, writing the result to b, as a foreground process. (B) It runs the word count program to count the number of lines in its input, a, writing the result to b, but does it in the background. (C) It counts the errors during the execution of a process, a, and puts the result in process b. (D) It copies the ‘ l ’ numbers of lines of program from file, a, and stores in file b.

Description : What is the function of following UNIX command? WC - lb& (A) It runs the word count program to count the number of lines in its input, a, writing the result to b, as a foreground process. (B) It runs ... (D) It copies the l ' numbers of lines of program from file, a, and stores in file b.

Last Answer : (B) It runs the word count program to count the number of lines in its input, a, writing the result to b, but does it in the background.

Which of the following option with reference to UNIX operating system is not correct?

Description : Which of the following option with reference to UNIX operating system is not correct? (A) INT signal is sent by the terminal driver when one types and it is a request to terminate the current operation. ( ... that it defaults to producing a core dump if not caught. (D) KILL is a blockable signal.

Last Answer : (D) KILL is a blockable signal.

In UNIX, processes that have finished execution but have not yet had their status collected are known as ................ (A) Sleeping processes (B) Stopped Processes (C) Zombie Processes (D) Orphan Processes

Description : In UNIX, processes that have finished execution but have not yet had their status collected are known as ................ (A) Sleeping processes (B) Stopped Processes (C) Zombie Processes (D) Orphan Processes

Last Answer : (C) Zombie Processes 

Which statement is not correct about “init” process in Unix? (1) It is generally the parent of the login shell. (2) It has PID 1. (3) It is the first process in the system. (4) Init forks and execs a ‘getty’ process at every port connected to a terminal.

Description : Which statement is not correct about “init” process in Unix? (1) It is generally the parent of the login shell. (2) It has PID 1. (3) It is the first process in the system. (4) Init forks and execs a ‘getty’ process at every port connected to a terminal.

Last Answer : It is the first process in the system.

(1/V) (∂V/∂T)Pis the mathematical expression (A) Joule-Thomson co-efficient (B) Specific heat at constant pressure (Cp) (C) co-efficient of thermal expansion (D) Specific heat at constant volume (CV)

Description : (1/V) (∂V/∂T)Pis the mathematical expression (A) Joule-Thomson co-efficient (B) Specific heat at constant pressure (Cp) (C) co-efficient of thermal expansion (D) Specific heat at constant volume (CV)

Last Answer : (C) co-efficient of thermal expansion

The type of gene interaction in which the effects of one gene override or mask the effects of other entirely different genes is called: a) linkage b) mutation c) pleitropy (pron: ply-ah-tropy) d) epistasis (pron: eh-pis-te-sis)

Description : The type of gene interaction in which the effects of one gene override or mask the effects of other entirely different genes is called: a) linkage b) mutation c) pleitropy (pron: ply-ah-tropy) d) epistasis (pron: eh-pis-te-sis)

Last Answer : ANSWER: D -- EPISTASIS

A portion of the Polymorphic virus, generally called a …………………….. , creates, a random encryption, key to encrypt the remainder of the virus. A) mutual engine B) mutation engine C) multiple engine D) polymorphic engine

Description : A portion of the Polymorphic virus, generally called a …………………….. , creates, a random encryption, key to encrypt the remainder of the virus. A) mutual engine B) mutation engine C) multiple engine D) polymorphic engine

Last Answer : C) multiple engine

A …………………….. creates copies during replication that are functionally equivalent but have distinctly different bit patterns. A) Boot Sector Virus B) Polymorphic Virus C) Parasitic Virus D) Macro Virus

Description : A …………………….. creates copies during replication that are functionally equivalent but have distinctly different bit patterns. A) Boot Sector Virus B) Polymorphic Virus C) Parasitic Virus D) Macro Virus

Last Answer : B) Polymorphic Virus

The “PROJECT” operator of a relational algebra creates a new table that has always (A) More columns than columns in original table (B) More rows than original table (C) Same number of rows as the original table (D) Same number of columns as the original table

Description : The “PROJECT” operator of a relational algebra creates a new table that has always (A) More columns than columns in original table (B) More rows than original table (C) Same number of rows as the original table (D) Same number of columns as the original table

Last Answer : (C) Same number of rows as the original table

Which of the following statement(s) is/are correct? (1) Persistence is the term used to describe the duration of phosphorescence. (2) The control electrode is used to turn the electron beam on and off. (3) The electron gun creates a source of electrons which are focussed into a narrow beam directed at the face of CRT. (4) All of the above.

Description : Which of the following statement(s) is/are correct? (1) Persistence is the term used to describe the duration of phosphorescence. (2) The control electrode is used to turn the electron beam on and off. (3) ... which are focussed into a narrow beam directed at the face of CRT. (4) All of the above. 

Last Answer : All of the above.

Why does my server always redirect to localhost when I visit a subdirectory on the server?

Description : Why does my server always redirect to localhost when I visit a subdirectory on the server?

Last Answer : answer:So, the server is different than the machine you're working on? If that's the case, I'd say make sure the server_name (or equivelent) is not set to localhost . So, for nginex: server { ... Apache's httpd.conf does the same thing. I could be really incredibly wrong, but that's my best guess.

How to create directory with subdirectory in Python -Web-Development

Description : How to create directory with subdirectory in Python -Web-Development

Last Answer : answer:

From the given data below: a b b a a b b a a b which one of the following is not a word in the dictionary created by LZ-coding (the initial words are a, b)? (1) a b (2) b b (3) b a (4) b a a b

Description : From the given data below: a b b a a b b a a b which one of the following is not a word in the dictionary created by LZ-coding (the initial words are a, b)? (1) a b (2) b b (3) b a (4) b a a b 

Last Answer : (4) b a a b 

Cavitation in a pump creates so many undesirable effects. Out of the following, which is not an undesirable effect created by cavitation? (A) Decrease in effect(B) Increase in thrust(C) Develops noise(D) Develops high pressure

Description : Cavitation in a pump creates so many undesirable effects. Out of the following, which is not an undesirable effect created by cavitation? (A) Decrease in effect (B) Increase in thrust (C) Develops noise (D) Develops high pressure

Last Answer : (D) Develops high pressure

Which of the following characteristics of constructor are true. i) They should be declared in the public section. ii) They are invoked automatically when the objects are created. iii) They do not have return type and void also. iv) We cannot refer their address. v) Constructors cannot virtual. A) Only i, ii, iii and v B) Only ii, iii, iv, and v C) Only i, iii, iv and v D) All i, ii, iii, iv and v

Description : Which of the following characteristics of constructor are true. i) They should be declared in the public section. ii) They are invoked automatically when the objects are created. iii) They do not have return type and void also. ... and v C) Only i, iii, iv and v D) All i, ii, iii, iv and v

Last Answer : D) All i, ii, iii, iv and v

Which of the following is true about the static member variable in C++. i) It is initialized to zero when the first object of its class is created. Other initialization is also permitted. ii) It is visible only within the class, but its lifetime is the entire program. A) i-True, ii-True B) ii-False, ii-True C) i-True, ii-False D) i-False, iii-False

Description : Which of the following is true about the static member variable in C++. i) It is initialized to zero when the first object of its class is created. Other initialization is also permitted. ii) It is visible only within ... , ii-True B) ii-False, ii-True C) i-True, ii-False D) i-False, iii-False

Last Answer : B) ii-False, ii-True

…………. Refer to the names of variables, functions, arrays, classes etc. created by the programmer. A) Keywords B) Identifiers C) Constraints D) Strings

Description : …………. Refer to the names of variables, functions, arrays, classes etc. created by the programmer. A) Keywords B) Identifiers C) Constraints D) Strings

Last Answer : B) Identifiers

…………… database is used as template for all databases created. A) Master B) Model C) Tempdb D) None of the above

Description : …………… database is used as template for all databases created. A) Master B) Model C) Tempdb D) None of the above

Last Answer : B) Model

When one object reference variable is assigned to another object reference variable then (A) a copy of the object is created. (B) a copy of the reference is created. (C) a copy of the reference is not created. (D) it is illegal to assign one object reference variable to another object reference variable.

Description : When one object reference variable is assigned to another object reference variable then (A) a copy of the object is created. (B) a copy of the reference is created. (C) a copy of the ... not created. (D) it is illegal to assign one object reference variable to another object reference variable.

Last Answer : (B) a copy of the reference is created.

Gunveen, Marshy and Aloha are three developers working on an exciting new app, and the launch day is just a day away. Gunveen creates -Technology

Description : Gunveen, Marshy and Aloha are three developers working on an exciting new app, and the launch day is just a day away. Gunveen creates -Technology

Last Answer : The team members are not working in a systematic way and they are not saving the versions of their work. Changes made in one part of the software can be incompatible with those made by another ... trusted until it's tested. So testing and development proceed together until a new version is ready.

Consider the following three SQL queries (Assume the data in the people table) : (a) Select Name from people where Age>21; (b) Select Name from people where Height>180; (c) Select Name from people where (Age>21) or (Height>180); If the SQL queries (a) and (b) above, return 10 rows and 7 rows in the result set respectively, then what is one possible number of rows returned by the SQL query (c) ? (A) 3 (B) 7 (C) 10 (D) 21

Description : Consider the following three SQL queries (Assume the data in the people table) : (a) Select Name from people where Age>21; (b) Select Name from people where Height>180; (c) Select Name from people where (Age>21) or (Height ... number of rows returned by the SQL query (c) ? (A) 3 (B) 7 (C) 10 (D) 21

Last Answer : (C) 10

Why Though unemployment during the Great Depression was widespread it was higher in some parts of the US than in others. An economic historian creates a table based on existing unemployment data drom?

Description : Why Though unemployment during the Great Depression was widespread it was higher in some parts of the US than in others. An economic historian creates a table based on existing unemployment data drom?

Last Answer : Need answer

____ software creates a mirror image of the entire hard disk, including the operating system, applications, files and data. a) Operating system b) Backup software c) Utility programs d) Driver imaging e) None of these

Description : ____ software creates a mirror image of the entire hard disk, including the operating system, applications, files and data. a) Operating system b) Backup software c) Utility programs d) Driver imaging e) None of these

Last Answer : b) Backup software

XMPP creates _________ identity. A. Device B. Email C. Message D. Data

Description : XMPP creates _________ identity. A. Device B. Email C. Message D. Data

Last Answer : A. Device