Unix Which command is used to extract specific columns from the file? cat cut grep paste cat cut grep paste ANSWER DOWNLOAD EXAMIANS APP
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 The command to count the number of files in the current directory by using pipes, is ls -l | wc -l ls | wc -w ls | ws -c ls | wc ls -l | wc -l ls | wc -w ls | ws -c ls | wc ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to list all the files with extension .lst? ls lst* ls *[lst] ls -l *.lst ls *.* ls lst* ls *[lst] ls -l *.lst ls *.* ANSWER DOWNLOAD EXAMIANS APP
Unix The commonly used UNIX commands like date, ls, cat, etc. are stored in None of these /bin and /usr/bin directories /dev directory /unix directory /tmp directory None of these /bin and /usr/bin directories /dev directory /unix directory /tmp directory ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to change the working directory? None of these cd cdir chdir changedir None of these cd cdir chdir changedir ANSWER DOWNLOAD EXAMIANS APP
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