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cat is a standard Unix utility that reads files sequentially, writing them to standard output. The name is derived from its function to (con) cat enate files (from Latin catenare , "to chain"). [ 1 ] [ 2 ] It has been ported to a number of operating systems.
cat: Concatenates and prints files on the standard output cksum: Checksums (IEEE Ethernet CRC-32) and count the bytes in a file. Supersedes other *sum utilities with -a option from version 9.0. comm: Compares two sorted files line by line csplit: Splits a file into sections determined by context lines cut: Removes sections from each line of ...
The GNU Core Utilities or coreutils is a package of GNU software containing implementations for many of the basic tools, such as cat, ls, and rm, which are used on Unix-like operating systems. In September 2002, the GNU coreutils were created by merging the earlier packages textutils , shellutils , and fileutils , along with some other ...
The man page for the sed utility, as seen in various Linux distributions. A man page (short for manual page ) is a form of software documentation found on Unix and Unix-like operating systems . Topics covered include programs, system libraries , system calls , and sometimes local system details.
man: Misc Mandatory Display system documentation Version 2 AT&T UNIX mesg: Misc Mandatory Permit or deny messages Version 1 AT&T UNIX mkdir: Filesystem Mandatory Make directories Version 1 AT&T UNIX mkfifo: Filesystem Mandatory Make FIFO special files 4.4BSD [dubious – discuss] more: Text processing Optional (UP) Display files on a page-by ...
D-Man: D, is a multi-paradigm ... a Linux-based free and open-source computer operating system family: ... A cartoon anthropomorphic cat, created by Eric W. Schwartz ...
With Linux kernel 3.17+, the VirtIO RNG was modified to have a default quality defined above 0, [13] and as such, is currently the only HWRNG mixed into /dev/random by default. The entropy pool can be improved by programs like timer_entropyd , haveged , randomsound etc.
The original version of netcat was a Unix program. The last version (1.10) was released in March 1996. [4]There are several implementations on POSIX systems, including rewrites from scratch like GNU netcat [5] or OpenBSD netcat, [6] the latter of which supports IPv6 and TLS.