Unix Which of the following commands is used to count the total number of lines, words, and characters contained in a file. wc wcount count p countw None of these wc wcount count p countw None of these ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following special shell variables is used to process number of the current shell? $$ None of these $! $* $$ None of these $! $* ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to change the working directory? changedir cd chdir None of these cdir changedir cd chdir None of these cdir 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] cat emp[a-z] more [emp][!0-9] cat emp[!0-9] cat emp[x-z] cat emp[a-z] more [emp][!0-9] cat emp[!0-9] ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following is invalid filename? TRY trial None of these my .file TRY trial None of these my .file ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to display the top of the file? cat grep more head cat grep more head ANSWER DOWNLOAD EXAMIANS APP
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