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#Unix command to list zero byte file and delete files how to
How to list the files that are modified ‘n’ days ago in the working directory?
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How to list the files that are accessed ‘n’ days ago in the working directory?ģ4. How to search for zero byte size files in the current directory?ģ3. How to search for the file ‘temp’ in a directory?Įx: find /usr/home/scripts -name run_job.sh -type fģ2.
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How to search for the file ‘test_file.txt’ in the system?ģ1. How to search for the file ‘test_file.txt’ in the all sub-directory from the root directory?ģ0. # The -i option renders the search to be case insensitiveĢ9. How to search for the file ‘test_file.txt’ in the current directory? # This will find all the files in the current directory and its sub directoriesĢ8. How to find the number of lines matches with the given pattern/string?Ģ7. #The ‘-w’ option makes the grep command to search for exact whole words.Ģ6. How to select only those lines containing the specific pattern as a whole? How to print the lines that ends with a specific pattern?Ģ5. #The ‘^’ symbol specifies the grep command to search for the pattern at the start of the line.Ģ4. How to print the lines that starts with a specific pattern? #The ‘-n’ option is used to print the line numbers in a file. How to print the line numbers along with the line that has the specific pattern ? How to display only the filename that do not contain the specific pattern ?Ģ2. How to display only the filename that contain the specific pattern ?Ģ1. How to display the lines in a file that do not contain the specific pattern ?Ģ0. The -i option renders the search case insensitive, so Retail or RETAIL will be a criteria for search.ġ9. # This will print all the lines in all files that contain the word “retail” along with the file name. # This will print all the lines in all files that contain the word “july” without the file name.Remember grep is a case sensitive, so Retail or RETAIL will not be a criteria for searching.ġ8.How to find all the lines with a specific pattern in a directory ? How to find all the lines with a specific pattern in a directory (suppressing the file name in the output) ? # This will print all the lines in all files that contain the word “retail” along with the file name.Remember grep is a case sensitive, so Retail or RETAIL will not be a criteria for fetching.ġ7. How to find all the lines with a specific pattern in a directory? How to get the last word from a line in Unix file?Įcho “God is great” | rev | cut -f1 -d ‘ ‘ | rev #gives output -> greatġ6. How to remove the footer or the last record from a file?ġ2.How to find which operating system the current system is runnning on ?ġ3.How to fetch the nth word of a line in Unix?ġ4.How to fetch the nth part of a line in Unix based on a delimiter?Įx: $echo “This is India,my motherland”|cut -f2 -d ‘,’ # gives output -> my motherlandġ5.
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How to remove the header or the first record from a file?ġ0. How to display first 3 lines of a text file (without using head command)?Ĩ. How to display first 3 lines of a text file?ħ. How to write a command to list all the links in the current working directory ?Ħ. How to write a command to list all the directories in the current working directory ?ĥ. How to display the file in the reverse order?Ĥ. # Displays newest files first based on timestampģ.