The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.
NAME y4mcolorbars – Create a YUV4MPEG2 stream containing a colorbar test pattern SYNOPSIS y4mcolorbars [options] DESCRIPTION y4mcolorbars creates a YUV4MPEG2 stream consisting entirely of frames containing a colorbar test pattern. The pattern attempts to reproduce the standard SMPTE EG-1-1990 colorbar test signal as faithfully as possible, given the constraints of the Y’CbCr colorspace. Output is…
NAME xzmore, lzmore – view xz or lzma compressed (text) files SYNOPSIS xzmore [file…] lzmore [file…] DESCRIPTION xzmore is a filter which allows examination of xz(1) or lzma(1) compressed text files one screenful at a time on a soft-copy terminal. To use a pager other than the default more, set environment variable PAGER to the…
NAME xzless, lzless – view xz or lzma compressed (text) files SYNOPSIS xzless [file…] lzless [file…] DESCRIPTION xzless is a filter that displays text from compressed files to a terminal. It works on files compressed with xz(1) or lzma(1). If no files are given, xzless reads from standard input. xzless uses less(1) to present its…
NAME xzgrep – search compressed files for a regular expression SYNOPSIS xzgrep [grep_options] [-e] pattern file… xzegrep … xzfgrep … lzgrep … lzegrep … lzfgrep … DESCRIPTION xzgrep invokes grep(1) on files which may be either uncompressed or compressed with xz(1), lzma(1), gzip(1), bzip2(1), lzop(1), or zstd(1). All options specified are passed directly to grep(1)….
NAME xzgrep – search compressed files for a regular expression SYNOPSIS xzgrep [grep_options] [-e] pattern file… xzegrep … xzfgrep … lzgrep … lzegrep … lzfgrep … DESCRIPTION xzgrep invokes grep(1) on files which may be either uncompressed or compressed with xz(1), lzma(1), gzip(1), bzip2(1), lzop(1), or zstd(1). All options specified are passed directly to grep(1)….
NAME xzgrep – search compressed files for a regular expression SYNOPSIS xzgrep [grep_options] [-e] pattern file… xzegrep … xzfgrep … lzgrep … lzegrep … lzfgrep … DESCRIPTION xzgrep invokes grep(1) on files which may be either uncompressed or compressed with xz(1), lzma(1), gzip(1), bzip2(1), lzop(1), or zstd(1). All options specified are passed directly to grep(1)….
NAME xzcmp, xzdiff, lzcmp, lzdiff – compare compressed files SYNOPSIS xzcmp [cmp_options] file1 [file2] xzdiff [diff_options] file1 [file2] lzcmp [cmp_options] file1 [file2] lzdiff [diff_options] file1 [file2] DESCRIPTION xzcmp and xzdiff invoke cmp(1) or diff(1) on files compressed with xz(1), lzma(1), gzip(1), bzip2(1), or lzop(1). All options specified are passed directly to cmp(1) or diff(1). If…
NAME xzdec, lzmadec – Small .xz and .lzma decompressors SYNOPSIS xzdec [option…] [file…] lzmadec [option…] [file…] DESCRIPTION xzdec is a liblzma-based decompression-only tool for .xz (and only .xz) files. xzdec is intended to work as a drop-in replacement for xz(1) in the most common situations where a script has been written to use xz –decompress…
NAME xzcmp, xzdiff, lzcmp, lzdiff – compare compressed files SYNOPSIS xzcmp [cmp_options] file1 [file2] xzdiff [diff_options] file1 [file2] lzcmp [cmp_options] file1 [file2] lzdiff [diff_options] file1 [file2] DESCRIPTION xzcmp and xzdiff invoke cmp(1) or diff(1) on files compressed with xz(1), lzma(1), gzip(1), bzip2(1), or lzop(1). All options specified are passed directly to cmp(1) or diff(1). If…
NAME xz, unxz, xzcat, lzma, unlzma, lzcat – Compress or decompress .xz and .lzma files SYNOPSIS xz [option…] [file…] COMMAND ALIASES unxz is equivalent to xz –decompress. xzcat is equivalent to xz –decompress –stdout. lzma is equivalent to xz –format=lzma. unlzma is equivalent to xz –format=lzma –decompress. lzcat is equivalent to xz –format=lzma –decompress –stdout….
NAME xz, unxz, xzcat, lzma, unlzma, lzcat – Compress or decompress .xz and .lzma files SYNOPSIS xz [option…] [file…] COMMAND ALIASES unxz is equivalent to xz –decompress. xzcat is equivalent to xz –decompress –stdout. lzma is equivalent to xz –format=lzma. unlzma is equivalent to xz –format=lzma –decompress. lzcat is equivalent to xz –format=lzma –decompress –stdout….
NAME xyz2grd – Convert data table to a grid file SYNOPSIS xyz2grd [ table ] grdfile increment region [ [f|l|m|n|r|s|u|z] ] [ xname/yname/zname/scale/offset/invalid/title/remark ] [ [zfile] ] [ [level] ] [ [flags] ] [ -bi<binary> ] [ -di<nodata> ] [ -f<flags> ] [ -h<headers> ] [ -i<flags> ] [ -r ] [ -:[i|o] ] Note:…
NAME xycpt – generate GMT colour palette table (cpt) files from column data. SYNOPSIS xycpt [-b rgb] [-d] [-f rgb] [-h] [-n rgb] [-o file] [-r registration] [-u] [-v] [-V] [file] DESCRIPTION The xycpt program generates discrete or continuous cpt files from simple input describing sample values of the colour (or greyscale) range. The input consists of 1-4 columns. For…
Name xy2sky – Compute RA Dec from X Y using WCS in FITS and IRAF image files Synopsis xy2sky [-vbjg] [-n ndec] file.fts x1 y1 … xn yn or xy2sky [-bdjgv] [-n ndec] file.fts @listfile Description xy2sky (pronounced X-Y-to-sky) is a utility for getting the world coordinates of a set of image coordinates in a…
NAME xxd – make a hexdump or do the reverse. SYNOPSIS xxd -h[elp] xxd [options] [infile [outfile]] xxd -r[evert] [options] [infile [outfile]] DESCRIPTION xxd creates a hex dump of a given file or standard input. It can also convert a hex dump back to its original binary form. Like uuencode(1) and uudecode(1) it allows the…
NAME xwud – image displayer for X SYNOPSIS xwud [-in file] [-noclick] [-geometry geom] [-display display] [-new] [-std <maptype>] [-raw] [-vis <vis-type-or-id>] [-scale] [-help] [-rv] [-plane number] [-fg color] [-bg color] [-dumpheader] [-version] DESCRIPTION Xwud is an X Window System image undumping utility. Xwud allows X users to display in a window an image saved…
NAME xwininfo – window information utility for X SYNOPSIS xwininfo [-help] [-id wdid] [-root] [-name wdname] [-int] [-children] [-tree] [-stats] [-bits] [-events] [-size] [-wm] [-shape] [-frame] [-all] [-english] [-metric] [-display host:dpy] [-version] DESCRIPTION Xwininfo is a utility for displaying information about windows. Various information is displayed depending on which options are selected. If no options…
NAME xwdtopnm – convert a X11 or X10 window dump file into a portable anymap SYNOPSIS xwdtopnm [xwdfile] DESCRIPTION Reads a X11 or X10 window dump file as input. Produces a portable anymap as output. The type of the output file depends on the input file – if it’s black & white, a pbm file…
NAME xwd – dump an image of an X window SYNOPSIS xwd [-debug] [-help] [-nobdrs] [-out file] [-xy] [-frame] [-add value] [-root | -id id | -name name ] [-icmap] [-screen] [-silent] [-display display] [-version] DESCRIPTION Xwd is an X Window System window dumping utility. Xwd allows X users to store window images in a…
NAME xvpictoppm – converts XV ‘thumbnail’ files to standard PPM format SYNTAX xvpictoppm DESCRIPTION xvpictoppm reads an XV ‘thumbnail’ file (located in the ‘.xvpics’ subdirectories) on stdin, and writes a standard PPM version of same to stdout. This may be useful for putting thumbnails in WWW pages, or something like that. AUTHOR John Bradley –…