Unix Which of the following special shell variables is used to process number of the last background job? $* $0 $# $! $* $0 $# $! ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters? cat emp[x-z] more [emp][!0-9] cat emp[a-z] cat emp[!0-9] cat emp[x-z] more [emp][!0-9] cat emp[a-z] cat emp[!0-9] ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following is not a filter? wc None of these grep sort wc None of these grep sort ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to save the standard output in a file, as well as display it on the terminal? more grep tee None of these cat more grep tee None of these cat ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to list contents of directories? dir ls lp tar dir ls lp tar ANSWER DOWNLOAD EXAMIANS APP
Unix Which commands is used to assign executable permission to all of the files named "letter"? chmod u+x letter chmod ugo+rw letter chmod ugo+r letter chmod ugo+x letter chmod u+x letter chmod ugo+rw letter chmod ugo+r letter chmod ugo+x letter ANSWER DOWNLOAD EXAMIANS APP