Unix Which symbol will be used with grep command to match the pattern pat at the beginning of a line? pat^ pat$ ^pat $pat pat^ pat$ ^pat $pat ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to sort the lines of data in a file in reverse order st sh sort sort -r st sh sort sort -r ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to display the top of the file? grep head more cat grep head more cat ANSWER DOWNLOAD EXAMIANS APP
Unix 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?? progs cp chap* progs cp chap[12] /progs/*.* cp chap?? /progs/* cp chap?? progs cp chap* progs cp chap[12] /progs/*.* ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to change protection mode of files starting with the string emp and ending with 1,2, or 3? chmod u+x emp[1-3] chmod 777 emp* chmod 222 emp? chmod u+r ??? emp chmod u+x emp[1-3] chmod 777 emp* chmod 222 emp? chmod u+r ??? emp ANSWER DOWNLOAD EXAMIANS APP