Q1081
Open questionWhich one of the following command is used to replace a single character with many?
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
55/57
Page
Pick an option on a question to see the right answer and solution.
Q1082
Open questionShell enables one or more arguments to be obtained from the standard output of another command. This feature is called . . . . . . . .
Select an option to see the answer and solution.
Q1083
Open questionWhich operator is used in vi to filter text?
Select an option to see the answer and solution.
Q1084
Open questionShell scripts are executed in a separate child shell process.
Select an option to see the answer and solution.
Q1085
Open questionWhich command will be used for selecting lines 3 to 10 from emp.lst?
Select an option to see the answer and solution.
Q1086
Open questionWhat does the following command do?
$ echo *Select an option to see the answer and solution.
Q1087
Open questionFor looping in a list, . . . . . . . . is used.
Select an option to see the answer and solution.
Q1088
Open questionWhich of the following command will remove the file named * ?
Select an option to see the answer and solution.
Q1089
Open questionWhich option is used with ps command to list system processes?
Select an option to see the answer and solution.
Q1090
Open questionWhich of the following command will be used if we want to abort editing and quit the editor even if the buffer has been changed and not saved?
Select an option to see the answer and solution.
Q1091
Open question:r !date inserts the output of date command in our file.
Select an option to see the answer and solution.
Q1092
Open questionWhich option is used with ls command to produce multi columnar output?
Select an option to see the answer and solution.
Q1093
Open questionHow can we skip some initial bytes from both the files to be compared?
Select an option to see the answer and solution.
Q1094
Open questionread command is shell's internal tool.
Select an option to see the answer and solution.
Q1095
Open questionWhich of the following mode is used for opening a file in both reading and writing?
Select an option to see the answer and solution.
Q1096
Open questionWhich option is used when we want to use an ERE with grep command?
Select an option to see the answer and solution.
Q1097
Open question. . . . . . . . function is used for removing the last character from the line.
Select an option to see the answer and solution.
Q1098
Open questionWhich of the following is not a valid escape sequence in UNIX?
Select an option to see the answer and solution.
Q1099
Open questionWhich of the following is an archival program?
Select an option to see the answer and solution.
Q1100
Open questionTo change entire lines, . . . . . . . . is used.
Select an option to see the answer and solution.