How to split a file and keep the first line in each of the pieces?

How to split a file and keep the first line in each of the pieces?

linux bash file shell text

shell

Append text to file using sed

bash shell text sed edit

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Reading a specific line of a file

shell command-line text

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Interleave text files with a given ratio of lines from file1 to file2

bash shell text awk

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Center-aligning text on console in Python

python shell text console

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Shell Script - comparing lines of text, deleting matches

shell text scripting diff compare

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How can I add a new line to a large file every n characters in terminal (one liner sed)?

bash shell text sed replace

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Quick Unix command to print non-contiguous lines from a text file?

shell unix text sed

shell

How to output all lines of a file without the last line?

unix shell text

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How to replace all '0xa0' chars with a ' ' in a bunch of text files?

python bash shell text utf-8

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Shell scripts: conventions to write usage text for parameters?

shell text conventions

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Compare two files with awk or sed

shell text sed awk

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Find Longest Line in a .txt File and fill all Lines to that Length with 'blank Spaces'?

bash text macos shell

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An alternative: cut -d <string>?

bash shell parsing text cut

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How to delete columns?

unix shell text

shell