Q401
Open questionThe name of the input and output files cannot be same while using sort command.
Select an option to see the answer and solution.
Computer Science · all questionsUNIX
UNIX
practice.
Practice every MCQ with options. Use Show answers when you want the correct option and solution.
1,129
Questions
21/57
Page
Pick an option on a question to see the right answer and solution.
Q402
Open questionWe cannot perform sorting on columns using sort command.
Select an option to see the answer and solution.
Q403
Open questionWhen we log in, the UNIX places us in a directory, called . . . . . . . . directory
Select an option to see the answer and solution.
Q404
Open questionWhich of the following keys are used to moving the cursor up and down?
Select an option to see the answer and solution.
Q405
Open questionWhich option is used with grep command for ignoring the case in pattern searching?
Select an option to see the answer and solution.
Q406
Open questionFor creating and removing directories, which of the following system calls are used?
Select an option to see the answer and solution.
Q407
Open questionuniq command requires a sorted file as input.
Select an option to see the answer and solution.
Q408
Open questionTo replace the string 'director' in the first five lines of file emp.lst with 'manager' we can use . . . . . . . .
Select an option to see the answer and solution.
Q409
Open questionWe can use relative pathname in the path list while using find command.
Select an option to see the answer and solution.
Q410
Open questionWhich of the following symbols are used for matching a pattern at specified locations?
Select an option to see the answer and solution.
Q411
Open questionWe can use the > symbol along with pipe in a command.
Select an option to see the answer and solution.
Q412
Open questionA system call is a programmatic way in which the program requests for the service from the kernel of an operating system.
Select an option to see the answer and solution.
Q413
Open questionIf the uncompressed file already exists on disk, unzip asks for the user confirmation whether to replace the existing file or not.
Select an option to see the answer and solution.
Q414
Open questionFor deleting the elements from the left of the array . . . . . . . . function is used.
Select an option to see the answer and solution.
Q415
Open questionWhich of the following flag will be used for interactive substitution?
Select an option to see the answer and solution.
Q416
Open questionWhich of the following shells support the use of aliases?
Select an option to see the answer and solution.
Q417
Open questionawk uses . . . . . . . . operator for concatenating strings.
Select an option to see the answer and solution.
Q418
Open questionWhen nohup command is used, shells returns the . . . . . . . .
Select an option to see the answer and solution.
Q419
Open questionWhich command is used for locating repeated and non-repeated lines?
Select an option to see the answer and solution.
Q420
Open questionWe can create multiple directories by single invocation of mkdir command.
Select an option to see the answer and solution.