Title: Theory / Unimportant / CS / command line / text streaming / combine
Tags: syntactical_sugar

Instruction: combine file1 and file2
Page: man
Context: command line
Returns: the lines of file1 that appear in file2

Instruction: combine file1 or file2
Page: man
Context: command line
Returns: the lines of file1, then the lines that appear in file2 and not in file1

Instruction: combine file1 not file2
Page: man
Context: command line
Returns: the lines of file1 not in file2

Instruction: combine file1 xor file2
Page: man
Context: command line
Returns: the lines of file1 not in file2 then the line of file2 not in file1

Instruction: combine file1 operation file2
Page: man
Context: command line
Abbreviation: _ file1 operation file2 _