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Linux Commands 5a0fecfb35fe4bfb83207c2dd8546149.md

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+# Linux Commands
+
+## Every Linux Commands I know A-Z
+
+<aside>
+💡 Follow me on twitter: twitter.com/xtremepentest
+
+</aside>
+
+| Command | Command Description |
+| --- | --- |
+| https://ss64.com/bash/bg.html | Start a new process in the background |
+| https://ss64.com/bash/alias.html | Create an alias • |
+| https://ss64.com/bash/apropos.html | Search Help manual pages (man -k) |
+| https://ss64.com/bash/apt.html | Search for and install software packages (Debian/Ubuntu) |
+| https://ss64.com/bash/apt-get.html | Search for and install software packages (Debian/Ubuntu) |
+| https://ss64.com/bash/aptitude.html | Search for and install software packages (Debian/Ubuntu) |
+| https://ss64.com/bash/aspell.html | Spell Checker |
+| https://ss64.com/bash/at.html | Schedule a command to run once at a particular time |
+| https://ss64.com/bash/awk.html | Find and Replace text, database sort/validate/index |
+|  |  |
+| https://ss64.com/bash/basename.html | Strip directory and suffix from filenames |
+| https://ss64.com/bash/base32.html | Base32 encode/decode data and print to standard output |
+| https://ss64.com/bash/base64.html | Base64 encode/decode data and print to standard output |
+| https://ss64.com/bash/bash.html | GNU Bourne-Again SHell |
+| https://ss64.com/bash/bc.html | Arbitrary precision calculator language |
+| https://ss64.com/bash/bg.html | Send to background |
+| https://ss64.com/bash/bind.html | Set or display readline key and function bindings • |
+| https://ss64.com/bash/break.html | Exit from a loop • |
+| https://ss64.com/bash/builtin.html | Run a shell builtin |
+| https://ss64.com/bash/bzip2.html | Compress or decompress named file(s) |
+|  |  |
+| https://ss64.com/bash/cal.html | Display a calendar |
+| https://ss64.com/bash/caller.html | Return the context of any active subroutine call • |
+| https://ss64.com/bash/case.html | Conditionally perform a command |
+| https://ss64.com/bash/cat.html | Concatenate and print (display) the content of files |
+| https://ss64.com/bash/cd.html | Change Directory |
+| https://ss64.com/bash/cfdisk.html | Partition table manipulator for Linux |
+| https://ss64.com/bash/chattr.html | Change file attributes on a Linux file system |
+| https://ss64.com/bash/chgrp.html | Change group ownership |
+| https://ss64.com/bash/chmod.html | Change access permissions |
+| https://ss64.com/bash/chown.html | Change file owner and group |
+| https://ss64.com/bash/chpasswd.html | Update passwords in batch mode |
+| https://ss64.com/bash/chroot.html | Run a command with a different root directory |
+| https://ss64.com/bash/chkconfig.html | System services (runlevel) |
+| https://ss64.com/bash/cksum.html | Print CRC checksum and byte counts |
+| clear | Clear terminal screen |
+| https://ss64.com/bash/cmp.html | Compare two files |
+| https://ss64.com/bash/comm.html | Compare two sorted files line by line |
+| https://ss64.com/bash/command.html | Run a command - ignoring shell functions • |
+| https://ss64.com/bash/continue.html | Resume the next iteration of a loop • |
+| https://ss64.com/bash/cp.html | Copy one or more files to another location |
+| https://ss64.com/bash/cpio.html | Copy files to and from archives |
+| https://ss64.com/bash/cron.html | Daemon to execute scheduled commands |
+| https://ss64.com/bash/crontab.html | Schedule a command to run at a later time |
+| https://ss64.com/bash/csplit.html | Split a file into context-determined pieces |
+| https://ss64.com/bash/curl.html | Transfer data from or to a server |
+| https://ss64.com/bash/cut.html | Divide a file into several parts |
+|  |  |
+| https://ss64.com/bash/date.html | Display or change the date & time |
+| https://ss64.com/bash/dc.html | Desk Calculator |
+| https://ss64.com/bash/dd.html | Data Duplicator - convert and copy a file, write disk headers, boot records |
+| https://ss64.com/bash/ddrescue.html | Data recovery tool |
+| https://ss64.com/bash/declare.html | Declare variables and give them attributes • |
+| https://ss64.com/bash/df.html | Display free disk space |
+| https://ss64.com/bash/diff.html | Display the differences between two files |
+| https://ss64.com/bash/diff3.html | Show differences among three files |
+| https://ss64.com/bash/dig.html | DNS lookup |
+| https://ss64.com/bash/dir.html | Briefly list directory contents |
+| https://ss64.com/bash/dircolors.html | Colour setup for 'ls' |
+| https://ss64.com/bash/dirname.html | Convert a full pathname to just a path |
+| https://ss64.com/bash/dirs.html | Display list of remembered directories |
+| https://ss64.com/bash/dos2unix.html | Windows/MAC to UNIX text file format converter |
+| https://ss64.com/bash/dmesg.html | Print kernel & driver messages |
+| https://ss64.com/bash/dpkg.html | Package manager (Debian/Ubuntu). |
+| https://ss64.com/bash/du.html | Estimate file space usage |
+|  |  |
+| https://ss64.com/bash/echo.html | Display message on screen • |
+| https://ss64.com/bash/egrep.html | Search file(s) for lines that match an extended expression |
+| https://ss64.com/bash/eject.html | Eject removable media |
+| https://ss64.com/bash/enable.html | Enable and disable builtin shell commands • |
+| https://ss64.com/bash/env.html | Environment variables |
+| ethtool | Ethernet card settings |
+| https://ss64.com/bash/eval.html | Evaluate several commands/arguments |
+| https://ss64.com/bash/exec.html | Execute a command |
+| https://ss64.com/bash/exit.html | Exit the shell |
+| https://ss64.com/bash/expand.html | Convert tabs to spaces |
+| https://ss64.com/bash/export.html | Set an environment variable |
+| https://ss64.com/bash/expr.html | Evaluate expressions |
+|  |  |
+| https://ss64.com/bash/false.html | Do nothing, unsuccessfully |
+| https://ss64.com/bash/fdformat.html | Low-level format a floppy disk |
+| https://ss64.com/bash/fdisk.html | Partition table manipulator for Linux |
+| https://ss64.com/bash/fg.html | Send job to foreground |
+| https://ss64.com/bash/fgrep.html | Search file(s) for lines that match a fixed string |
+| https://ss64.com/bash/file.html | Determine file type |
+| https://ss64.com/bash/find.html | Search for files that meet a desired criteria |
+| https://ss64.com/bash/fmt.html | Reformat paragraph text |
+| https://ss64.com/bash/fold.html | Wrap text to fit a specified width |
+| https://ss64.com/bash/for.html | Expand words, and execute commands |
+| format | Format disks or tapes |
+| free | Display memory usage |
+| https://ss64.com/bash/fsck.html | File system consistency check and repair |
+| https://ss64.com/bash/ftp.html | File Transfer Protocol |
+| https://ss64.com/bash/function.html | Define Function Macros |
+| https://ss64.com/bash/fuser.html | Identify/kill the process that is accessing a file |
+|  |  |
+| https://ss64.com/bash/awk.html | Find and Replace text within file(s) |
+| https://ss64.com/bash/getopts.html | Parse positional parameters |
+| https://ss64.com/bash/grep.html | Search file(s) for lines that match a given pattern |
+| https://ss64.com/bash/groupadd.html | Add a user security group |
+| https://ss64.com/bash/groupdel.html | Delete a group |
+| https://ss64.com/bash/groupmod.html | Modify a group |
+| https://ss64.com/bash/groups.html | Print group names a user is in |
+| https://ss64.com/bash/gzip.html | Compress or decompress named file(s) |
+|  |  |
+| https://ss64.com/bash/hash.html | Remember the full pathname of a name argument |
+| https://ss64.com/bash/head.html | Output the first part of file(s) |
+| help | Display help for a built-in command • |
+| https://ss64.com/bash/history.html | Command History |
+| https://ss64.com/bash/hostname.html | Print or set system name |
+| https://ss64.com/bash/htop.html | Interactive process viewer |
+|  |  |
+| https://ss64.com/bash/iconv.html | Convert the character set of a file |
+| https://ss64.com/bash/id.html | Print user and group id's |
+| https://ss64.com/bash/if.html | Conditionally perform a command |
+| https://ss64.com/bash/ifconfig.html | Configure a network interface |
+| https://ss64.com/bash/ifup.html | Stop a network interface |
+| https://ss64.com/bash/ifup.html | Start a network interface up |
+| https://ss64.com/bash/import.html | Capture an X server screen and save the image to file |
+| https://ss64.com/bash/install.html | Copy files and set attributes |
+| https://ss64.com/bash/iostat.html | Report CPU and i/o statistics |
+| https://ss64.com/bash/ip.html | Routing, devices and tunnels |
+|  |  |
+| https://ss64.com/bash/jobs.html | List active jobs • |
+| https://ss64.com/bash/join.html | Join lines on a common field |
+|  |  |
+| https://ss64.com/bash/kill.html | Kill a process by specifying its PID |
+| https://ss64.com/bash/killall.html | Kill processes by name |
+|  |  |
+| https://ss64.com/bash/less.html | Display output one screen at a time |
+| https://ss64.com/bash/let.html | Perform arithmetic on shell variables • |
+| https://ss64.com/bash/link.html | Create a link to a file |
+| https://ss64.com/bash/ln.html | Create a symbolic link to a file |
+| https://ss64.com/bash/local.html | Create a function variable • |
+| https://ss64.com/bash/locate.html | Find files |
+| https://ss64.com/bash/logname.html | Print current login name |
+| https://ss64.com/bash/logout.html | Exit a login shell • |
+| https://ss64.com/bash/look.html | Display lines beginning with a given string |
+| https://ss64.com/bash/lpc.html | Line printer control program |
+| https://ss64.com/bash/lpr.html | Print files |
+| lprint | Print a file |
+| lprintd | Delete a print job |
+| lprintq | List the print queue |
+| https://ss64.com/bash/lprm.html | Remove jobs from the print queue |
+| https://ss64.com/bash/lsattr.html | List file attributes on a Linux second extended file system |
+| https://ss64.com/bash/lsblk.html | List block devices |
+| https://ss64.com/bash/ls.html | List information about file(s) |
+| https://ss64.com/bash/lsof.html | List open files |
+| https://ss64.com/bash/lspci.html | List all PCI devices |
+|  |  |
+| make | Recompile a group of programs |
+| https://ss64.com/bash/man.html | Help manual |
+| https://ss64.com/bash/mapfile.html | Read lines from standard input into an indexed array variable • |
+| https://ss64.com/bash/mkdir.html | Create new folder(s) |
+| https://ss64.com/bash/mkfifo.html | Make FIFOs (named pipes) |
+| https://ss64.com/bash/mkfile.html | Make a file |
+| mkisofs | Create a hybrid ISO9660/JOLIET/HFS filesystem |
+| https://ss64.com/bash/mknod.html | Make block or character special files |
+| https://ss64.com/bash/mktemp.html | Make a temporary file |
+| https://ss64.com/bash/more.html | Display output one screen at a time |
+| https://ss64.com/bash/most.html | Browse or page through a text file |
+| https://ss64.com/bash/mount.html | Mount a file system |
+| https://ss64.com/bash/mtools.html | Manipulate MS-DOS files |
+| https://ss64.com/bash/mtr.html | Network diagnostics (traceroute/ping) |
+| https://ss64.com/bash/mv.html | Move or rename files or directories |
+| https://ss64.com/bash/mmv.html | Mass Move and rename (files) |
+|  |  |
+| https://ss64.com/bash/nc.html | Netcat, read and write data across networks |
+| https://ss64.com/bash/netstat.html | Networking connections/stats |
+| https://ss64.com/bash/nft.html | nftables for packet filtering and classification |
+| https://ss64.com/bash/nice.html | Set the priority of a command or job |
+| https://ss64.com/bash/nl.html | Number lines and write files |
+| https://ss64.com/bash/nohup.html | Run a command immune to hangups |
+| https://ss64.com/bash/notify-send.html | Send desktop notifications |
+| https://ss64.com/bash/nslookup.html | Query Internet name servers interactively |
+|  |  |
+| https://ss64.com/bash/open.html | Open a file in its default application |
+| https://ss64.com/bash/op.html | Operator access |
+|  |  |
+| https://ss64.com/bash/passwd.html | Modify a user password |
+| https://ss64.com/bash/paste.html | Merge lines of files |
+| pathchk | Check file name portability |
+| https://ss64.com/bash/perf.html | Performance analysis tools for Linux |
+| https://ss64.com/bash/ping.html | Test a network connection |
+| https://ss64.com/bash/pkill.html | List processes by name |
+| https://ss64.com/bash/pkill.html | Kill processes by name |
+| https://ss64.com/bash/popd.html | Restore the previous value of the current directory |
+| https://ss64.com/bash/pr.html | Prepare files for printing |
+| printcap | Printer capability database |
+| https://ss64.com/bash/printenv.html | Print environment variables |
+| https://ss64.com/bash/printf.html | Format and print data • |
+| https://ss64.com/bash/ps.html | Process status |
+| https://ss64.com/bash/pushd.html | Save and then change the current directory |
+| https://ss64.com/bash/pv.html | Monitor the progress of data through a pipe |
+| https://ss64.com/bash/pwd.html | Print Working Directory |
+|  |  |
+| https://ss64.com/bash/quota.html | Display disk usage and limits |
+| https://ss64.com/bash/quotacheck.html | Scan a file system for disk usage |
+|  |  |
+| https://ss64.com/bash/ram.html | ram disk device |
+| https://ss64.com/bash/rar.html | Archive files with compression |
+| https://ss64.com/bash/rcp.html | Copy files between two machines |
+| https://ss64.com/bash/read.html | Read a line from standard input • |
+| https://ss64.com/bash/mapfile.html | Read from stdin into an array variable • |
+| https://ss64.com/bash/readonly.html | Mark variables/functions as readonly |
+| reboot | Reboot the system |
+| https://ss64.com/bash/rename.html | Rename files |
+| renice | Alter priority of running processes |
+| remsync | Synchronize remote files via email |
+| https://ss64.com/bash/return.html | Exit a shell function |
+| https://ss64.com/bash/rev.html | Reverse lines of a file |
+| https://ss64.com/bash/rm.html | Remove files |
+| https://ss64.com/bash/rmdir.html | Remove folder(s) |
+| https://ss64.com/bash/rsync.html | Remote file copy (Synchronize file trees) |
+|  |  |
+| https://ss64.com/bash/screen.html | Multiplex terminal, run remote shells via ssh |
+| https://ss64.com/bash/scp.html | Secure copy (remote file copy) |
+| https://ss64.com/bash/sdiff.html | Merge two files interactively |
+| https://ss64.com/bash/sed.html | Stream Editor |
+| https://ss64.com/bash/select.html | Accept user choices via keyboard input |
+| https://ss64.com/bash/seq.html | Print numeric sequences |
+| https://ss64.com/bash/set.html | Manipulate shell variables and functions |
+| sftp | Secure File Transfer Program |
+| https://ss64.com/bash/shift.html | Shift positional parameters |
+| https://ss64.com/bash/shopt.html | Shell Options |
+| https://ss64.com/bash/shuf.html | Generate random permutations |
+| https://ss64.com/bash/shutdown.html | Shutdown or restart linux |
+| https://ss64.com/bash/sleep.html | Delay for a specified time |
+| https://ss64.com/bash/slocate.html | Find files |
+| https://ss64.com/bash/sort.html | Sort text files |
+| https://ss64.com/bash/source.html | Run commands from a file '.'  • |
+| https://ss64.com/bash/split.html | Split a file into fixed-size pieces |
+| https://ss64.com/bash/ss.html | Socket Statistics |
+| https://ss64.com/bash/ssh.html | Secure Shell client (remote login program) |
+| https://ss64.com/bash/stat.html | Display file or file system status |
+| https://ss64.com/bash/strace.html | Trace system calls and signals |
+| https://ss64.com/bash/su.html | Substitute user identity |
+| https://ss64.com/bash/sudo.html | Execute a command as another user |
+| https://ss64.com/bash/sum.html | Print a checksum for a file |
+| https://ss64.com/bash/suspend.html | Suspend execution of this shell • |
+| https://ss64.com/bash/sync.html | Synchronize data on disk with memory |
+|  |  |
+| https://ss64.com/bash/tail.html | Output the last part of a file |
+| https://ss64.com/bash/tar.html | Store, list or extract files in an archive |
+| https://ss64.com/bash/tee.html | Redirect output to multiple files |
+| https://ss64.com/bash/test.html | Evaluate a conditional expression |
+| https://ss64.com/bash/time.html | Measure Program running time |
+| https://ss64.com/bash/timeout.html | Run a command with a time limit |
+| https://ss64.com/bash/times.html | User and system times |
+| https://ss64.com/bash/tmux.html | Terminal multiplexer |
+| https://ss64.com/bash/touch.html | Change file timestamps |
+| https://ss64.com/bash/top.html | List processes running on the system |
+| https://ss64.com/bash/tput.html | Set terminal-dependent capabilities, color, position |
+| https://ss64.com/bash/traceroute.html | Trace Route to Host |
+| https://ss64.com/bash/trap.html | Execute a command when the shell receives a signal • |
+| https://ss64.com/bash/tr.html | Translate, squeeze, and/or delete characters |
+| https://ss64.com/bash/true.html | Do nothing, successfully |
+| https://ss64.com/bash/tsort.html | Topological sort |
+| https://ss64.com/bash/tty.html | Print filename of terminal on stdin |
+| https://ss64.com/bash/type.html | Describe a command • |
+|  |  |
+| https://ss64.com/bash/ulimit.html | Limit user resources • |
+| https://ss64.com/bash/umask.html | Users file creation mask |
+| umount | Unmount a device |
+| https://ss64.com/bash/alias.html | Remove an alias • |
+| https://ss64.com/bash/uname.html | Print system information |
+| https://ss64.com/bash/unexpand.html | Convert spaces to tabs |
+| https://ss64.com/bash/uniq.html | Uniquify files |
+| https://ss64.com/bash/units.html | Convert units from one scale to another |
+| https://ss64.com/bash/unix2dos.html | UNIX to Windows or MAC text file format converter |
+| https://ss64.com/bash/unrar.html | Extract files from a rar archive |
+| https://ss64.com/bash/unset.html | Remove variable or function names |
+| https://ss64.com/bash/unshar.html | Unpack shell archive scripts |
+| https://ss64.com/bash/until.html | Execute commands (until error) |
+| uptime | Show uptime |
+| https://ss64.com/bash/useradd.html | Create new user account |
+| https://ss64.com/bash/userdel.html | Delete a user account |
+| https://ss64.com/bash/usermod.html | Modify user account |
+| https://ss64.com/bash/users.html | List users currently logged in |
+| https://ss64.com/bash/uuencode.html | Encode a binary file |
+| https://ss64.com/bash/uuencode.html | Decode a file created by uuencode |
+|  |  |
+| v | Verbosely list directory contents ('ls -l -b') |
+| vdir | Verbosely list directory contents ('ls -l -b') |
+| https://ss64.com/vi.html | Text Editor |
+| https://ss64.com/bash/vmstat.html | Report virtual memory statistics |
+|  |  |
+| https://ss64.com/bash/w.html | Show who is logged on and what they are doing |
+| https://ss64.com/bash/wait.html | Wait for a process to complete • |
+| https://ss64.com/bash/watch.html | Execute/display a program periodically |
+| https://ss64.com/bash/wc.html | Print byte, word, and line counts |
+| https://ss64.com/bash/whereis.html | Search the user's $path, man pages and source files for a program |
+| https://ss64.com/bash/which.html | Search the user's $path for a program file |
+| https://ss64.com/bash/while.html | Execute commands |
+| https://ss64.com/bash/who.html | Print all usernames currently logged in |
+| https://ss64.com/bash/whoami.html | Print the current user id and name ('id -un') |
+| wget | Retrieve web pages or files via HTTP, HTTPS or FTP |
+| https://ss64.com/bash/write.html | Send a message to another user |
+|  |  |
+| https://ss64.com/bash/xargs.html | Execute utility, passing constructed argument list(s) |
+| https://ss64.com/bash/xdg-open.html | Open a file or URL in the user's preferred application. |
+| https://ss64.com/bash/xxd.html | Make a hexdump or do the reverse |
+| https://ss64.com/bash/xz.html | Compress or decompress .xz and .lzma files |
+| https://ss64.com/bash/yes.html | Print a string until interrupted |
+| https://ss64.com/bash/zip.html | Package and compress (archive) files |
+| https://ss64.com/bash/source.html | https://ss64.com/bash/source.html a command script in the current shell |
+| https://ss64.com/bash/bang.html | Run the https://ss64.com/bash/bang.html command again |
+| https://ss64.com/bash/rem.html | Comment / https://ss64.com/bash/rem.htmlark |