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Report free disk space Version 1 AT&T UNIX diff: Text processing Mandatory Compare two files; see also cmp Version 5 AT&T UNIX dirname: Filesystem Mandatory Return the directory portion of a pathname; see also basename System III du: Filesystem Mandatory Estimate file space usage Version 1 AT&T UNIX echo: Shell programming Mandatory
youtube-dl <url> The path of the output can be specified as: (file name to be included in the path) youtube-dl -o <path> <url> To see the list of all of the available file formats and sizes: youtube-dl -F <url> The video can be downloaded by selecting the format code from the list or typing the format manually: youtube-dl -f <format/code> <url>
ps has many options. On operating systems that support the SUS and POSIX standards, ps commonly runs with the options -ef, where "-e" selects every process and "-f" chooses the "full" output format.
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In computing, cmp is a command-line utility on Unix and Unix-like operating systems that compares two files of any type and writes the results to the standard output.By default, cmp is silent if the files are the same; if they differ, the byte and line number at which the first difference occurred is reported.
In Unix-like operating systems, find is a command-line utility that locates files based on some user-specified criteria and either prints the pathname of each matched object or, if another action is requested, performs that action on each matched object.
Ad Hoc Data Analysis From The Unix Command Line at Wikibooks – Shows how to use pipelines composed of simple filters to do complex data analysis. Use And Abuse Of Pipes With Audio Data – Gives an introduction to using and abusing pipes with netcat, nettee and fifos to play audio across a network.
Write the amount of free space of the file system containing the specified file Most implementations of df in Unix and Unix-like operating systems include extra options. The BSD and GNU coreutils versions include -h , which lists free space in human readable format displaying units with the appropriate SI prefix (e.g. 10 MB [ 5 ] ), -i , which ...