Title: Theory / Unimportant / CS / command line / admin / man
Tags: hasNotNewEffectReturnsMeaning computer_to_instruction fromCommandLine FromVariables some_instruction récupéré mid1516974248815

Variable: /etc/apt/apt.conf.d/
Meaning: APT configuration file fragments.
Page: man
Context: apt-get
Typ: Folder

Variable: /var/lib/apt/lists/
Meaning: Storage area for state information for each package resource specified in sources.list(5).
Page: man
Context: apt-get
Typ: Folder

Variable: /var/lib/apt/lists/partial/
Meaning: Storage area for state information in transit.
Page: man
Context: apt-get
Typ: Folder

Variable: /etc/apt/sources.list
Meaning: Locations to fetch packages from.
Page: man
Context: apt-get
Typ: File

Variable: /etc/apt/apt.conf
Meaning: APT configuration file.
Page: man
Context: apt-get
Typ: File

Variable: /etc/apt/preferences
Meaning: Version preferences file. This is where you would specify "pinning", i.e. a preference to get certain packages from a separate source or from a different version of a distribution.
Page: man
Context: apt-get
Typ: File

Variable: /var/cache/apt/archives/
Meaning: Storage area for retrieved package files.
Page: man
Context: apt-get
Typ: Folder

Variable: /var/cache/apt/archives/partial/
Meaning: Storage area for package files in transit.
Page: man
Context: apt-get
Typ: Folder

Instruction: man
Page: https://man.cx/man
Effect: An interface to the on-line reference manuals
Context: shell

Instruction: foo
Page: https://man.cx/man
Effect: Show the page foo, in the first section where such a page occur
Context: man

Instruction: foo bar or bar.foo
Page: https://man.cx/man
Effect: Show the page bar from section foo
Context: man

Definition: foo may be repeated
Page: https://man.cx/man
Variables: foo a parameter
Context: man usage
Notation: foo...

Definition: foo is optionnal
Page: https://man.cx/man
Variables: foo a parameter
Context: man usage
Notation: [foo]

Fla: -a foo
Effect: Display, in succession, all of the available foo manual pages contained within the manual. It is possible to quit between successive displays or skip any of them.
Page: https://man.cx/man
Prefix: man

Fla: -t alias
Effect: Format the manual page referenced by ’alias’, usually a shell manual page, into the default troff or format
Page: https://man.cx/man
Prefix: man

Page: https://man.cx/man
Effect: This command will decompress and format the nroff source manual page ./foo.1x.gz into a device independent (dvi) file. The redirection is necessary as the −T flag causes output to be directed to stdout with no pager. The output could be viewed with a program such as xdvi or further processed into PostScript using a program such as dvips.
Context: man
Abbreviation: −l −Tdvi ./foo.1x.gz > ./foo.1x.dvi

Fla: apropos foo
Effect: Search the short descriptions and manual page names for the keyword printf as regular expression. Print out any matches.
Page: https://man.cx/man
Prefix: man
Flag abbreviation: -k foo

Fla: whatis foo
Effect: Lookup the manual pages referenced by foo and print out the short descriptions of any found
Page: https://man.cx/man
Prefix: man
Flag abbreviation: -f foo

Variable: MANOPT
Meaning: Options for man, processed before man itself
Page: https://man.cx/man
Context: man
Kind: environment variable

Fla: -D
Effect: Reset MANOPT variable
Page: https://man.cx/man
Prefix: man