Con link su ogni comando per relativa sintassi
break-
Exit from a for, while, until or select loop
builtin-
Run a shell builtin, passing it args, and return
case-
Conditionally perform a commandcat Display the contents of a file
cat-
Display the contents of a file (concatenate)
cd-
Change Directory - change the current working directory to a specific
Folder.
cfdisk-
Curses based disk partition table manipulator for Linux
chgrp-
Change group ownership
chmod-
Change access permissions
chown-
Change file owner and group
chroot-
Run a command with a different root directory
cksum-
Print CRC checksum and byte counts
comm-
Compare two sorted files line by line
command-
Run a command - ignoring shell functions
continue-
Resume the next iteration of a loop
cp- Copy
one or more files to another location
cron-
Daemon to execute scheduled commands
crontab-
Schedule a command to run at a later time
csplit-
Split a file into context-determined pieces
cut-
Divide a file into several parts
date-
Display or change the date & time
dd- Dump
Data - convert and copy a file (use for RAW storage)
declare-
Declare variables and give them attributes
df-
Display free disk space
diff-
Display the differences between two files
diff3-
Show differences among three files.
dir-
Briefl list of directory contents
dircolors-
Color setup for `ls', outputs a sequence of shell commands to set up the
terminal for color output from `ls' (and `dir', etc.).
dirname-
Convert a full pathname to just a path
dirs-
Display the list of currently remembered directories.
du-
Estimate file space usage, reports the amount of disk space used by the
specified files and for each subdirectory.
echo-
Display message on screen
egrep-
Search file(s) for lines that match an extended expression
enable-
Enable and disable builtin shell commands.
env-
Display, set, or remove environment variables, Run a command in a modified
environment.
eval-
Evaluate several commands/arguments
expand-
Convert tabs to spaces
export-
Set an environment variable
expr-
Evaluate expressions
false-
Do nothing, returning a non-zero (false) exit status
fdformat-
Low level format a floppy disk
fdisk-
Partition table manipulator for Linux
fgrep-
Search input files for lines that match a given pattern
find-
Search a folder hierarchy for filename(s) that meet a desired criteria
fmt-
Reformat paragraph text
fold-
Wrap text to fit a specified width
for-
Expand words, and execute commands
fsck-
Filesystem consistency check and repair.
getopts-
Parse positional parameters
hash-
Remember the full pathname of a name argument
hashcharacter- A comment or remark is indicated by starting the line
with the # character
head-
Output the first part of files, prints the first part (10 lines by default)
id- Print
real and effective user id (uid) and group id (gid)
if-
Conditionally perform a command.
import-
Capture some or all of an X server screen and save the image to file
install-
copy files while setting their permission modes and, if possible, their
owner and group
join-
Join lines on a common field
kill-
Stop a process from running
less-
Display output one screen at a time, Search through output, Edit the command
line.
let-
Perform arithmetic on shell variables
ln- Make
links between files
lpc-
Line printer control program
lpr- off
line print - sends a print job to the default system queue
lprm-
Remove jobs from the line printer spooling queue
ls- List
information about FILEs, by default the current directory.
man-
Display helpful information about commands.
mkdir-
Create new folder(s), if they do not already exist
mkfifo-
Make FIFOs (named pipes) with the specified names.
mknod-
creates a FIFO, character special file, or block special file
more-
Display output one screen at a time
mount-
Mount a file system
mtools-
allow Unix systems to manipulate MS-DOS files
mv- Move
or rename files or directories
nice-
Run a command with modified scheduling priority
nl-
Number lines and write files
nohup-
Run a command immune to hangups, runs the given COMMAND with hangup
passwd-
Modify a user password
paste-
Merge lines of files
period-
source or dot operator
popd-
Remove the top entry from the directory stack
pr- Print
files, printing and pagination filter for text files
ps-
Process status, information about processes running in memory
pushd-
Save and then change the current directory. With no arguments
pwd-
Print Working Directory
quota-
Display disk usage and limits
rcp-
Copy files between two machines
read-
Read a line from standard input
readonly-
Mark variables/functions as readonly
return-
Cause a shell function to exit with the return value n
rm-
Remove files (delete/unlink)
rmdir-
Remove folder(s), if they are empty
rsync-
Remote file copy (Synchronize file trees)
sdiff-
Merge two files interactively
seq-
Print numeric sequences
set-
Manipulate shell variables and functions
shift-
Shift positional parameters
sleep-
Delay for a specified time
split-
Split a file into fixed-size pieces
su-
Substitute user identity
sum-
Print a checksum for a file
symlink-
Make a new name for a file
sync-
Synchronize data on disk with memory
tac-
Concatenate and write files in reverse
tail-
Output the last part of files
tee-
Redirect output to multiple files
test-
Evaluate a conditional expression
time-
Measure Program Resource Use
times-
Print out the user and system times used by the shell and its children
top-
List processes running on the system
touch-
Change file timestamps
tr-
Translate, squeeze, and/or delete characters
true-
Do nothing, successfully
tty-
Print filename of terminal on stdin
umask-
Users file creation mask
uname-
Print system information
units-
Convert units from one scale to another
unset-
Remove variable or function names
unshar-
Unpack shell archive scripts
until-
Execute commands (until error)
users-
List users currently logged in
uuencode-
Encode a binary file uudecode Decode a file created by uuencode
watch-
Execute/display a program periodically
wc- Print
byte, word, and line counts
whereis-
Report all known instances of a command
which-
Locate a program file in the user's path.
who-
Print who is currently logged in
xargs-
Execute utility, passing constructed argument list(s).
yes-
prints the command line arguments, separated by spaces and followed by a
newline
