Which of the following commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory? copy a:programs/wb b:misc/wbx copy programs/wb misc/wbx cp programs/wb misc/wbx tar programs/wb misc/wbx TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not a communication command. mesg write mail grep TRUE ANSWER : ? YOUR ANSWER : ?
Which command is used to copy all files having the string chap and any two characters after that to the progs directory? cp chap?? /progs/* cp chap[12] /progs/*.* cp chap* progs cp chap?? progs TRUE ANSWER : ? YOUR ANSWER : ?
The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is sort tee grep tr TRUE ANSWER : ? YOUR ANSWER : ?
Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories? rm * rm all rm *.* rm -r * None of these TRUE ANSWER : ? YOUR ANSWER : ?
In vi editor, forward search is performed using the command. /pat ?pat All of these :pat TRUE ANSWER : ? YOUR ANSWER : ?
Which command is used with vi editor to move the cursor to the left? k None of these i h j TRUE ANSWER : ? YOUR ANSWER : ?
Which command is used to display the end of the file? None of these head - r tail eof bof TRUE ANSWER : ? YOUR ANSWER : ?
The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is: 744 755 555 TRUE ANSWER : ? YOUR ANSWER : ?
Which command is used to save the standard output in a file, as well as display it on the terminal? tee grep None of these more cat TRUE ANSWER : ? YOUR ANSWER : ?