Unix Which of the following keys is used to replace a single character with new text? R S s r R S s r ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to assign executable permission to the owner of the file named "note"? chmod u+x note chmod u+w note chmod ugo+x note chmod g+x note chmod u+x note chmod u+w note chmod ugo+x note chmod g+x note ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to extract specific columns from the file? cat cut paste grep cat cut paste grep ANSWER DOWNLOAD EXAMIANS APP
Unix The first set of the three permissions (rw) pertains to the owner of the file, indicating that the owner has write and executable permissions both read and executable permissions. executable permission only None of these both read and write permissions write and executable permissions both read and executable permissions. executable permission only None of these both read and write permissions ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to display all the lines with the string 'sales' from the file empl.lst? grep sales empl.lst None of these /sales > empl.lst cat | /sales > empl.lst cut sales empl.lst grep sales empl.lst None of these /sales > empl.lst cat | /sales > empl.lst cut sales empl.lst 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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