10.35.2. Contents of Coreutils
Short Descriptions
Base64 encode/decode data and print to standard output | |
Strips any path and a given suffix from a file name | |
Concatenates files to standard output | |
Changes security context for files and directories | |
Changes the group ownership of files and directories | |
Changes the permissions of each file to the given mode; the mode can be either a symbolic representation of the changes to make or an octal number representing the new permissions | |
Changes the user and/or group ownership of files and directories | |
Runs a command with the specified directory as the
| |
Prints the Cyclic Redundancy Check (CRC) checksum and the byte counts of each specified file | |
Compares two sorted files, outputting in three columns the lines that are unique and the lines that are common | |
Copies files | |
Splits a given file into several new files, separating them according to given patterns or line numbers and outputting the byte count of each new file | |
Prints sections of lines, selecting the parts according to given fields or positions | |
Displays the current time in the given format, or sets the system date | |
Copies a file using the given block size and count, while optionally performing conversions on it | |
Reports the amount of disk space available (and used) on all mounted file systems, or only on the file systems holding the selected files | |
Lists the contents of each given directory (the same as the ls command) | |
Outputs commands to set the | |
Strips the non-directory suffix from a file name | |
Reports the amount of disk space used by the current directory, by each of the given directories (including all subdirectories) or by each of the given files | |
Displays the given strings | |
Runs a command in a modified environment | |
Converts tabs to spaces | |
Evaluates expressions | |
Prints the prime factors of all specified integer numbers | |
Does nothing, unsuccessfully; it always exits with a status code indicating failure | |
Reformats the paragraphs in the given files | |
Wraps the lines in the given files | |
Reports a user's group memberships | |
Prints the first ten lines (or the given number of lines) of each given file | |
Reports the numeric identifier (in hexadecimal) of the host | |
Reports or sets the name of the host | |
Reports the effective user ID, group ID, and group memberships of the current user or specified user | |
Copies files while setting their permission modes and, if possible, their owner and group | |
Joins the lines that have identical join fields from two separate files | |
Creates a hard link with the given name to a file | |
Makes hard links or soft (symbolic) links between files | |
Reports the current user's login name | |
Lists the contents of each given directory | |
Reports or checks Message Digest 5 (MD5) checksums | |
Creates directories with the given names | |
Creates First-In, First-Outs (FIFOs), a “named pipe” in UNIX parlance, with the given names | |
Creates device nodes with the given names; a device node is a character special file, a block special file, or a FIFO | |
Creates temporary files in a secure manner; it is used in scripts | |
Moves or renames files or directories | |
Runs a program with modified scheduling priority | |
Numbers the lines from the given files | |
Runs a command immune to hangups, with its output redirected to a log file | |
Dumps files in octal and other formats | |
Merges the given files, joining sequentially corresponding lines side by side, separated by tab characters | |
Checks if file names are valid or portable | |
Is a lightweight finger client; it reports some information about the given users | |
Paginates and columnates files for printing | |
Prints the environment | |
Prints the given arguments according to the given format, much like the C printf function | |
Produces a permuted index from the contents of the given files, with each keyword in its context | |
Reports the name of the current working directory | |
Reports the value of the given symbolic link | |
Removes files or directories | |
Removes directories if they are empty | |
Runs a command with specified security context | |
Prints a sequence of numbers within a given range and with a given increment | |
Prints or checks 160-bit Secure Hash Algorithm 1 (SHA1) checksums | |
Prints or checks SHA224 checksums | |
Prints or checks SHA256 checksums | |
Prints or checks SHA384 checksums | |
Prints or checks SHA512 checksums | |
Overwrites the given files repeatedly with complex patterns, making it difficult to recover the data | |
Write a random permutation of the input lines to standard output or a file | |
Pauses for the given amount of time | |
Sorts the lines from the given files | |
Splits the given file into pieces, by size or by number of lines | |
Displays file or filesystem status | |
Runs a command with modified buffering operations for its standard streams | |
Sets or reports terminal line settings | |
Prints checksum and block counts for each given file | |
Flushes file system buffers; it forces changed blocks to disk and updates the super block | |
Concatenates the given files in reverse | |
Prints the last ten lines (or the given number of lines) of each given file | |
Reads from standard input while writing both to standard output and to the given files | |
Compares values and checks file types | |
Runs a command with a time limit | |
Changes file timestamps, setting the access and modification times of the given files to the current time; files that do not exist are created with zero length | |
Translates, squeezes, and deletes the given characters from standard input | |
Does nothing, successfully; it always exits with a status code indicating success | |
Shrinks or expands a file to the specified size | |
Performs a topological sort; it writes a completely ordered list according to the partial ordering in a given file | |
Reports the file name of the terminal connected to standard input | |
Reports system information | |
Converts spaces to tabs | |
Discards all but one of successive identical lines | |
Removes the given file | |
Reports the names of the users currently logged on | |
Is the same as ls -l | |
Reports the number of lines, words, and bytes for each given file, as well as a total line when more than one file is given | |
Reports who is logged on | |
Reports the user name associated with the current effective user ID | |
Repeatedly outputs “y” or a given string until killed | |
Library used by stdbuf |