Unix Which of the following is not a communication command. write grep mail mesg write grep mail mesg ANSWER DOWNLOAD EXAMIANS APP
Unix Which commands is used to assign executable permission to all of the files named "letter"? chmod ugo+r letter chmod u+x letter chmod ugo+rw letter chmod ugo+x letter chmod ugo+r letter chmod u+x letter chmod ugo+rw letter chmod ugo+x letter ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used with vi editor to move the cursor to the left? j i k None of these h j i k None of these h ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to list all the files with extension .lst? ls lst* ls *.* ls *[lst] ls -l *.lst ls lst* ls *.* ls *[lst] ls -l *.lst ANSWER DOWNLOAD EXAMIANS APP
Unix The command chmod 761 note is equivalent to None of these chmod 167 note chmod u=rwx, g=rw, o=x note chmod 4=7, g=6,0 =1 note chmo a =761 note None of these chmod 167 note chmod u=rwx, g=rw, o=x note chmod 4=7, g=6,0 =1 note chmo a =761 note ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following special shell variables is used to process number of the last background job? $* $0 $# $! $* $0 $# $! ANSWER DOWNLOAD EXAMIANS APP
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