MTD 248-645A Manual de usuario descargar pdf (Pagina 145)

Linux From Scratch - Version 7.0

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chmod 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

chown Changes the user and/or group ownership of files and directories

chroot Runs a command with the specified directory as the / directory

cksum Prints the Cyclic Redundancy Check (CRC) checksum and the byte counts of each specified file

comm Compares two sorted files, outputting in three columns the lines that are unique and the lines that

are common

cp Copies files

csplit 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

cut Prints sections of lines, selecting the parts according to given fields or positions

date Displays the current time in the given format, or sets the system date

dd Copies a file using the given block size and count, while optionally performing conversions on it

df Reports the amount of disk space available (and used) on all mounted file systems, or only on the

file systems holding the selected files

dir Lists the contents of each given directory (the same as the ls command)

dircolors Outputs commands to set the LS_COLOR environment variable to change the color scheme used by ls

dirname Strips the non-directory suffix from a file name

du 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

echo Displays the given strings

env Runs a command in a modified environment

expand Converts tabs to spaces

expr Evaluates expressions

factor Prints the prime factors of all specified integer numbers

false Does nothing, unsuccessfully; it always exits with a status code indicating failure

fmt Reformats the paragraphs in the given files

fold Wraps the lines in the given files

groups Reports a user's group memberships

head Prints the first ten lines (or the given number of lines) of each given file

hostid Reports the numeric identifier (in hexadecimal) of the host

id Reports the effective user ID, group ID, and group memberships of the current user or specified user

install Copies files while setting their permission modes and, if possible, their owner and group

join Joins the lines that have identical join fields from two separate files

link Creates a hard link with the given name to a file

ln Makes hard links or soft (symbolic) links between files

logname Reports the current user's login name

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MTD 248-645A Manual de usuario Pagina 145