Q181
Open questionWhat is the PID of the first process that is set up when the system is booted?
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
10/57
Page
Pick an option on a question to see the right answer and solution.
Q182
Open questionThe command @x=(1. .10) will assign first ten integer values to the array 'a'.
Select an option to see the answer and solution.
Q183
Open questionWhich option is used with mv command so that the destination file does not get overwritten?
Select an option to see the answer and solution.
Q184
Open question$ ls -R outputs all files and subdirectories in a recursive manner.
Select an option to see the answer and solution.
Q185
Open questionWhat does cat file01 file01 file01 display?
Select an option to see the answer and solution.
Q186
Open questionFor pasting text, . . . . . . . . is used.
Select an option to see the answer and solution.
Q187
Open questionThe default permissions for a regular file are . . . . . . . . and for directories are . . . . . . . .
Select an option to see the answer and solution.
Q188
Open questionWhen we log in as root user we are placed in . . . . . . . .
Select an option to see the answer and solution.
Q189
Open questionThe following command will save the contents of the buffer and overwrites the contents of existing file.
:w! file003Select an option to see the answer and solution.
Q190
Open questionWhat will be the command if we want to suppress column 1 and column 2 in the output of comm Command?
Select an option to see the answer and solution.
Q191
Open questionA user can change the group ownership of a file to another group to which he does not belong.
Select an option to see the answer and solution.
Q192
Open questionAll UNIX and LINUX systems have one thing in common which is . . . . . . . .
Select an option to see the answer and solution.
Q193
Open questionvi commands are not case sensitive.
Select an option to see the answer and solution.
Q194
Open questionEnclosing the wild card or the entire pattern within quotes is called . . . . . . . .
Select an option to see the answer and solution.
Q195
Open questionawk uses . . . . . . . . for providing comments.
Select an option to see the answer and solution.
Q196
Open questionWe can specify filenames in command line using perl.
Select an option to see the answer and solution.
Q197
Open questionFor using zip command, the first argument should be a compressed filename.
Select an option to see the answer and solution.
Q198
Open questionWhat is the PID of the process who takes the parentage of the process run with nohup command?
Select an option to see the answer and solution.
Q199
Open questionWhich command will be used for extracting files from an archive named abc.tar?
Select an option to see the answer and solution.
Q200
Open questionWe cannot find out the name of the program scheduled using at command.
Select an option to see the answer and solution.