LinuxCommandLibrary

tdf

TLDR

Open a specific file

$ tdf [path/to/file].pdf
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Open in fullscreen mode
$ tdf [[-f|--fullscreen]] [path/to/file].pdf
copy

Set a custom white color
$ tdf [[-w|--white-color]] [ffffff] [path/to/file].pdf
copy

Set a custom black color
$ tdf [[-b|--black-color]] "rgb([0], [0], [0])" [path/to/file].pdf
copy

SYNOPSIS

tdf [OPTIONS] [ARGUMENTS]

DESCRIPTION

tdf is not a recognized standard command in common Linux distributions such as those using coreutils, util-linux, or other core packages. Searches across major man pages and package repositories (e.g., apt, yum, pacman) do not yield a standard tdf binary. It may refer to a custom script, a tool from a niche package, or a historical Unix utility related to troff table formatting (Table Description Formatter in old nroff/troff ecosystems), but it is absent from modern Linux.

Common confusion arises with df (disk free space), especially df -T or df -hT, which displays filesystem types (T option) alongside usage statistics in human-readable format. If intending disk analysis, df -hT lists mounted filesystems, sizes, used space, available space, and types like ext4 or nfs.

Alternatively, in some contexts, "TDF" denotes formats like Ticket Definition Files in Request Tracker (RT) or Table Definition Files in legacy documentation tools, but no executable tdf exists. Users may have encountered it in proprietary software, embedded systems, or user-defined aliases. To verify, run which tdf, type tdf, or command -v tdf. If absent, install via package search or clarify the source.

Without specific package context, usage is unreliable across systems. Focus on standard alternatives for reliability.

CAVEATS

Not available in standard Linux distributions.
May return 'command not found'.
Verify with package managers: apt search tdf or equivalent.

COMMON ALTERNATIVE

Use df -hT for human-readable disk usage with filesystem types: e.g., df -hT /.

VERIFICATION TIP

Check PATH and packages: locate tdf | grep bin or find /usr -name tdf 2>/dev/null.

HISTORY

No documented history in standard Linux; possibly legacy from pre-POSIX Unix troff tools (1970s-1980s) or custom implementations. Absent from GNU coreutils since inception.

SEE ALSO

df(1), du(1), lsblk(8), mount(8), tbl(1)

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