Title: Theory / Unimportant / CS / command line / text streaming / head;
Tags: computer_to_instruction fromCommand fromCommandLine hasNotNewEffectReturnsMeaning some_instruction

Fla: --bytes=K
Effect: print the K first bytes of each files
Page: man
Prefix: head
Flag abbreviation: -c=K

Fla: --bytes=-K
Effect: print all but the last K bytes of each file
Page: man
Prefix: head fileList
Flag abbreviation: -c=-K

Fla: --lines=-K
Effect: print all but the last K lines of each file
Page: man
Prefix: head fileList
Flag abbreviation: -n=-K

Fla: --lines=K
Effect: print the first K lines of each file
Page: man
Prefix: head fileList
Flag abbreviation: -n=K

Fla: --quiet --silent
Effect: never print headers giving file names
Page: man
Prefix: head fileList
Flag abbreviation: -q

Fla: --verbose
Effect: always print headers giving file names
Page: man
Prefix: head fileList
Flag abbreviation: -v

Instruction: head fileList
Page: man
Effect: output the first part of each file of fileList. By default name and then ten first lines

Fla: --help
Effect: display this help and exit
Page: man
Prefix: head fileList

Fla: --version
Effect: output version information and exit
Page: man
Prefix: head fileList