Dibawah ini ada beberapa perintah linux dan fungsinya,
awk———–>Find and Replace text, database sort/validate/index
bzip2———> Compress or decompress named file(s)
cal————->Display a calendar
cat————->Display the contents of a file
cd————–>Change Directory
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
clear———–>Clear terminal screen
cmp————>Compare two files
comm———>Compare two sorted files line by line
command—->Run a command – ignoring shell functions
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
df—————>Display free disk space
diff————->Display the differences between two files
diff3———–>Show differences among three files
dig ————->DNS lookup
dir————–>Briefly list directory contents
dircolors—–> Colour setup for `ls’
dirname——>Convert a full pathname to just a path
dirs————->Display list of remembered directories
du—————>Estimate file space usage
echo————>Display message on screen
egrep———–>Search file(s) for lines that match an extended expression
eject————>Eject removable media
enable———>Enable and disable builtin shell commands
env————->Environment variables
ethtool——–>Ethernet card settings
eval————->Evaluate several commands/arguments
exec————>Execute a command
exit————->Exit the shell
expand——–>Convert tabs to spaces
export———>Set an environment variable
fdformat——>Low-level format a floppy disk
fdisk————>Partition table manipulator for Linux
fgrep———–>Search file(s) for lines that match a fixed string
file————–>Determine file type
find————->Search for files that meet a desired criteria
fold————->Wrap text to fit a specified width.
format———>Format disks or tapes
free————->Display memory usage
fsck————->File system consistency check and repair
ftp—————>File Transfer Protocol
gawk———–>Find and Replace text within file(s)
getopts——–>Parse positional parameters
grep————>Search file(s) for lines that match a given pattern
groups——–>Print group names a user is in
gzip————>Compress or decompress named file(s)
head———–>Output the first part of file(s)
history——->Command History
hostname—>Print or set system name
id—————>Print user and group id’s
ifconfig ——>Configure a network interface
install——–>Copy files and set attributes
join————>Join lines on a common field
kill————->Stop a process from running
less————>Display output one screen at a time
ln—————>Make links between files
locate———>Find files
logname—–>Print current login name
logout——–>Exit a login shell
look———–>Display lines beginning with a given string
lpc————->Line printer control program
ls—————>List information about file(s)
lsof————>List open files
make———>Recompile a group of programs
man———–>Help manual
mkdir———>Create new folder(s)
mkfifo——–>Make FIFOs (named pipes)
mkisofs——>Create an hybrid ISO9660/JOLIET/HFS filesystem
mknod——->Make block or character special files
more———->Display output one screen at a time
mount——–>Mount a file system
mtools——->Manipulate MS-DOS files
mv————>Move or rename files or directories
nano———->Text editor
netstat——->Networking information
nice———–>Set the priority of a command or job
nohup——–>Run a command immune to hangups
nslookup —>Query Internet name servers interactively
passwd——->Modify a user password
pathchk—–>Check file name portability
ping———->Test a network connection
popd———>Restore the previous value of the current directory
ps————->Process status
pushd——->Save and then change the current directory
pwd———->Print Working Directory
quota——–>Display disk usage and limits
quotacheck ->Scan a file system for disk usage
quotactl—-> Set disk quotas
ram———–>ram disk device
rcp————>Copy files between two machines.
read———–>read a line from standard input
readonly—-> Mark variables/functions as readonly
remsync—->Synchronize remote files via email
rm————->Remove files
rmdir——– >Remove folder(s)
rsync———>Remote file copy (Synchronize file trees)
scp————>Secure copy (remote file copy)
sdiff———–>Merge two files interactively
sed————>Stream Editor
seq————>Print numeric sequences
set————->Manipulate shell variables and functions
sftp————>Secure File Transfer Program
shift———–>Shift positional parameters
shopt———>Shell Options
shutdown —>Shutdown or restart linux
sleep———–>Delay for a specified time
sort————->Sort text files
source———>Run commands from a file `.’
split————>Split a file into fixed-size pieces
ssh————–>Secure Shell client (remote login program)
strace———->Trace system calls and signals
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
tail————–>Output the last part of files
tar————–>Tape ARchiver
test————->Evaluate a conditional expression
time————>Measure Program running time
times———–>User and system times
touch———->Change file timestamps
top————–>List processes running on the system
traceroute –>Trace Route to Host
trap————>Run a command when a signal is set(bourne)
tty————–>Print filename of terminal on stdin
type————>Describe a command
ulimit———->Limit user resources
umask———>Users file creation mask
umount——->Unmount a device
unalias———>Remove an alias
uname———>Print system information
unset———–>Remove variable or function names
unshar———>Unpack shell archive scripts
useradd——–>Create new user account
usermod——>Modify user account
users———–>List users currently logged in
v—————–>Verbosely list directory contents (`ls -l -b’)
vdir————->Verbosely list directory contents (`ls -l -b’)
vi—————->Text Editor
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.
while———–>Execute commands
who————->Print all usernames currently logged in
whoami——->Print the current user id and name (`id -un’)
Wget————>Retrieve web pages or files via HTTP, HTTPS or FTP
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