Unix Which command is used to display all the lines with the string 'sales' from the file empl.lst? grep sales empl.lst cat | /sales > empl.lst cut sales empl.lst /sales > empl.lst None of these grep sales empl.lst cat | /sales > empl.lst cut sales empl.lst /sales > empl.lst None of these ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following keys is used to overstrike a whole line? None of these u C R v None of these u C R v ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to list contents of directories? lp tar dir ls lp tar dir ls 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[!0-9] more [emp][!0-9] cat emp[x-z] cat emp[a-z] cat emp[!0-9] more [emp][!0-9] cat emp[x-z] cat emp[a-z] ANSWER DOWNLOAD EXAMIANS APP
Unix The commonly used UNIX commands like date, ls, cat, etc. are stored in /dev directory None of these /bin and /usr/bin directories /unix directory /tmp directory /dev directory None of these /bin and /usr/bin directories /unix directory /tmp directory ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories? rm * None of these rm -r * rm *.* rm all rm * None of these rm -r * rm *.* rm all ANSWER DOWNLOAD EXAMIANS APP
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