| LINUX Commands |
| 1 | ac | Print statistics about the time they have been connected users. |
| 2 | adduser | See useradd. |
| 3 | alias | Create shortcuts to commands, list current aliases. |
| 4 | apt-get | Tool actualizacón / remote installation packages in debian based systems. |
| 5 | arp | Lets get / manipulate the list of MAC / IP addresses that the system sees. |
| 6 | arping | Sends ARP REQUEST to other computers on the network. |
| 7 | arptables | Firewall functions similar to control iptables but arp protocol traffic. |
| 8 | at | Work program, commands, scripts for later execution. |
| 9 | atq | List scheduled jobs pending execution by the at command. |
| 10 | awk | Analysis and processing patterns in files and listings. |
| 11 | basename | Delete the path name of a file. |
| 12 | bc | Calculator and mathematical language, very powerful. |
| 13 | biosdecode | BIOS information. |
| 14 | blkid | Displays attributes of block devices (disks, usb, etc..) Such as LABEL and UUID, among others. |
| 15 | bzcat | Uncompress files using bzip2 compressed or packaged. |
| 16 | bzip2 | Compressor / decompressor files. |
| 17 | bzmore | View the archive contents or packaged using bzip2. |
| 18 | lime | Displays a calendar. |
| 19 | cat | Displays the contents of files and concatenates files. |
| 20 | CD | Change directory. |
| 21 | cfdisk | Disk partitioning tool, mainly used on Debian systems. |
| 22 | chage | Change the information (expiration, revocation, etc.) of a user's password. |
| 23 | chattr | Change extended attributes of files and directories |
| 24 | chfn | Change the information used in finger. |
| 25 | chgrp | Changes the group of a file (s) or folder (s). |
| 26 | chkconfig | Controls / query how services are running or not on startup. |
| 27 | chmod | Change the permissions of a file (s) or folder (s). |
| 28 | chown | Changes the owner of a file (s) or folder (s). |
| 29 | chpasswd | Upgrade passwords or passwords in batch mode. Passwords can update user groups. |
| 30 | chroot | Execute commands in a restricted shell root to a directory and its subdirectories. |
| 31 | chsh | Change your default shell or login shell. |
| 32 | cleanlinks | Cleans symlinks unrelated and also removes empty directories. |
| 33 | clear | Clean the terminal. |
| 34 | cmp | Compares two files byte by byte. |
| 35 | convertquota | Converts from old formats quota.group quota.user and new formats and aquota.group aquota.user. |
| 36 | cpio | Copy, create, and extract compressed files in different formats and between teams or locally. |
| 37 | crontab | Manage files and cron for root users. |
| 38 | curl | Allows you to download or transfer url's. |
| 39 | cut | Removes sections (columns mainly) of each line of a file or files. |
| 40 | date | Displays / sets the date and time. |
| 41 | dc | Interactive Calculator. |
| 42 | dd | Convert and copy files and file systems. |
| 43 | ddate | Displays the date in calendar format jarring. |
| 44 | df | Displays space usage of hard drives or partitions. |
| 45 | diff | Search and show differences between files. |
| 46 | dig | Props for querying DNS servers. |
| 47 | dircolors | Color setup for ls. |
| 48 | dirs | Allows you to display, manipulate the list of directories used in the stack. (See popd and pushd) |
| 49 | dmesg | Displays messages system startup (boot). |
| 50 | dmidecode | List of computer hardware BIOS directly. (Also: lshw) |
| 51 | dos2unix | Converts files from MS-DOS to Unix format / Linux. |
| 52 | du | Displays space usage of files and directories. |
| 53 | dump | Allows creation of backups for the file systems ext2 and ext3. |
| 54 | ECHO | Prints a line of text, variables, or content to a file. |
| 55 | edquota | Manages disk quota control user and group. |
| 56 | egrep | It's like the 'grep-E', to use regular expressions. |
| 57 | eject | Unmount and eject removable media such as CD-ROMs. |
| 58 | env | Run a program in a modified environment. |
| 59 | ethtool | Allows you to display or change values of a network card. |
| 60 | exit | Exits the current shell or terminal. |
| 61 | expect | Create sequences and dialogues with other interactive sessions programmed commands or scripts. |
| 62 | export | Exports the value of a variable. |
| 63 | exportfs | Maintains a list of file systems NFS type which have been exported. |
| 64 | expr | Mathematical expression evaluator. |
| 65 | factor | Find the primes of a given number. |
| 66 | fc | List, edit and reejecuta previously executed commands. |
| 67 | fdisk | Disk partitioning tool, common to almost all distros. |
| 68 | fgrep | It's like 'grep-F' to use regular expressions in file searches and listings. |
| 69 | file | Determines the file type. |
| 70 | find | File search, multiple search options. |
| 71 | findfs | Find a filesystem by UUID or LABEL (label). |
| 72 | findsmb | List information about computers that respond to SMB packets.List a Windows network. (Part Samba) |
| 73 | finger | Displays information about the system users. |
| 74 | Fortune | Prints a random adage. |
| 75 | fping | Lets send ICMP packets (pings) to multiple computers on a network and determine if they are alive or not. |
| 76 | free | Shows the used and free space of RAM and Swap. |
| 77 | fsck | Tool to verify / repair file systems. |
| 78 | fuser | Identify processes using files or connections (sockets). |
| 79 | gawk | Analysis and processing patterns in files and listings. (Gnu version) |
| 80 | gcc | C compiler and GNU C + +. |
| 81 | gedit | GNOME text editor. |
| 82 | gpasswd | Enables management of the file / etc / group |
| 83 | gpg | Tool generation encryption and security certificates (opengpg). |
| 84 | grep | Look for patterns of strings within files. |
| 85 | groupadd | Create a new group in the system. |
| 86 | groupdel | Deletes a group in the system. |
| 87 | groupmod | Modifies a group on the system. |
| 88 | groups | Prints the groups to which a user belongs. |
| 89 | gzip | Compresses / expands files. |
| 90 | halt | Turn off the computer. |
| 91 | hdparm | Sets and displays features on the hard drives. |
| 92 | head | Displays the first lines of a file. |
| 93 | help | Help on bash internal commands. |
| 94 | history | Displays the user's command history. |
| 95 | host | Utility consulting DNS server host. |
| 96 | hostname | Displays the computer name. |
| 97 | htpasswd | Manage files of user / password for basic authentication of Apache. |
| 98 | hwclock | Displays / Sets the date / time changes or hardware. (Date / Time System to date) |
| 99 | id | Displays the UID (User ID) and GID (Group ID) of the user |
| 100 | ifconfig | Displays / Configures the system's network interfaces. |
| 101 | ifstat | Small utility that allows to observe statistics of network interfaces in real time. |
| 102 | init | Initialization control ejecucción level. |
| 103 | insmod | Modules inserted in the kernel. |
| 104 | ipcalc | Perform simple calculations on IP addresses. |
| 105 | ipcount | Identifying ranges of network, IP's calculation. |
| 106 | iptab | Displays an IP address table prefix according to CIDR |
| 107 | iptables | Firewall configuration tool for Linux. |
| 108 | iptraf | Network traffic analyzer in text mode. |
| 109 | iwconfig | Set up a wireless network card. |
| 110 | iwlist | Gets details of a wireless card. |
| 111 | jobs | Displays user jobs in suspension or background. |
| 112 | kate | KDE Text Editor. |
| 113 | kill | Terminates processes, more correctly sends signals to processes. |
| 114 | killall | End processes with the same name or group. |
| 115 | last | Displays information from past users logged. |
| 116 | lastb | Displays information from the previous failed attempts to login. |
| 117 | less | Displays the contents of an archive, searchable and movement back and forth. |
| 118 | ln | Create links (shortcuts) soft and hard files and directories. |
| 119 | locale | Specific information about the local environment variables. |
| 120 | locate | Indexes and searches files. Slocate safer to use. |
| 121 | losetup | Defines and controls devices such as 'loop'. |
| 122 | lpq | Sample documents for printing in the print queue. |
| 123 | lpr | Add a document to the print queue. |
| 124 | ls | List files and directories. |
| 125 | lshw | List of computer hardware BIOS directly. (Also: dmidecode) |
| 126 | lsmod | Displays the status of the modules in the kernel. |
| 127 | lsof | Displays open files in ejecucción program, or a user, process, etc. |
| 128 | lspci | List PCI devices in the system. |
| 129 | lsusb | List system usb devices. |
| 130 | mail | Send and receive email. |
| 131 | man | Command displays the manual indicated. |
| 132 | mc | Handler archvivos with mouse support in text mode, not every distro I have. |
| 133 | mcedit | Mc text editor. |
| 134 | md5sum | Check (and creates) files with md5 signature certification. |
| 135 | mkdir | Create directories. |
| 136 | mkfs | Build a Linux file system. |
| 137 | mkpasswd | Password generator. (Software Package 'expect'). |
| 138 | modinfo | Displays information about kernel modules. |
| 139 | modprobe | Tool to add / remove kernel modules. |
| 140 | more | Pager similar to but less funcioanal less as it comes forward and retocede. |
| 141 | mount | Monta storage partitions enabled devices listed. |
| 142 | mtools | Set of utilities to access DOS disks from Linux. |
| 143 | mv | Moves files and directories. |
| 144 | netstat | Network Utility showing connections, routing tables, interface statistics, etc.. |
| 145 | nice | Run a program with a priority other than normal ejecucción. |
| 146 | nohup | Runs a program immune to hangups and without access to a terminal. |
| 147 | openssl | Control, management, security certificate generation. |
| 148 | partprobe | Tells the operating system to the changes mentioned in / etc / fstab |
| 149 | passwd | Changes the specified user's password. |
| 150 | ping | Send an ECHO_REQUEST (echo request) to a computer on the network. |
| 151 | pkill | Send signals to processes based on their attributes. |
| 152 | popd | Removes entries (directories used) from the list of directories used in the stack. (See dirs and pushd) |
| 153 | pr | Format or convert text files for printing. |
| 154 | ps | Displays system processes or user or both. |
| 155 | pstree | Displays processes as a tree. |
| 156 | pushd | Adds entries (directories used) in the directory list (stack or stack). (See dirs and popd) |
| 157 | pwck | Check the integrity of the file / etc / passwd |
| 158 | pwconv | Add shadow protection or sets the file / etc / passwd. |
| 159 | quota | You can see the use of user fees. |
| 160 | quotacheck | Create, verify, manage disk quota systems |
| 161 | quotaoff | Deactivates disk quotas. |
| 162 | quotaon | Active control disk quotas for users and groups. |
| 163 | rdesktop | Open graphics terminals has? Ia Windows computers. |
| 164 | reboot | Restart the computer. |
| 165 | renice | Changes the priority of a process or program ejecucción. |
| 166 | repquota | Report use of disk quotas. |
| 167 | resolveip | Solve the ip or host domain indicated. |
| 168 | rev | Reverses the lines of a file. |
| 169 | rm | Deletes or removes files. |
| 170 | route | Displays / changes the IP routing table. |
| 171 | rpm | Program installation / update / removing packages, redhat based distros. |
| 172 | runlevel | Displays the current run level and previous system. |
| 173 | scp | Copy files between computers, part of the package openssh (encrypted communication protocol). |
| 174 | screen | Virtual terminal manager. |
| 175 | thirst | Editor online file filters and transforms. |
| 176 | service | Run / stop services manually. |
| 177 | set | Displays or sets the environment variables for the user actuual. |
| 178 | sha1sum | Check (and creates) files sha1 signature certification. |
| 179 | shopt | Enables or disables variables shell optional behavior. |
| 180 | shred | Delete files securely and unrecoverable. |
| 181 | shutdown | Turn off or restart your computer. |
| 182 | sort | Sort lines of files and playlists |
| 183 | ss | Props like netstat but basic socket set fast listings. |
| 184 | ssh | Secure remote login program, openssh package program (encrypted communication protocol). |
| 185 | startx | Log X. |
| 186 | his | Change the current user indicated. |
| 187 | sudo | Allows user runs indicate that root commands. |
| 188 | sync | Forza memory blocks to disk, update the super block. |
| 189 | tac | As cat shows and / or concatenated files in reverse. |
| 190 | tail | Displays the end of a file. |
| 191 | tailf | Synonym tail-f command, lets you see in real time the end of a file, ie as you type, useful for monitoring logs. |
| 192 | tar | Tool packer / compressor files. |
| 193 | testparm | Check samba smb.conf file for errors or corrections. |
| 194 | time | Returns the time that you ran the command or program indicated. |
| 195 | top | Displays system processes interactively and continuously. |
| 196 | touch | Create empty files, change access dates and / or modification of files. |
| 197 | tput | Change values or terminal capabilities, based on terminfo. |
| 198 | traceroute | Prints the route network packets to the destination. |
| 199 | tty | Print the name of the terminal on which this. |
| 200 | tzselect | Set an area or zone. |
| 201 | umask | Set permissions mask when creating directories and files. |
| 202 | umount | Unmount file systems. |
| 203 | unalias | Removes alias command, created with the alias command. |
| 204 | uname | Displays system information. |
| 205 | uniq | Omits or reports on repeated lines in a file or listing. |
| 206 | units | Converter units from one system to another, supports dozens of metrics. |
| 207 | up2date | Upgrade Tool / remote installation package (used in redhat, centos). |
| 208 | uptime | Shows how long has turned on the computer. |
| 209 | urpme | Urpmi package program to uninstall or remove packages. |
| 210 | urpmi | Upgrade Tool / remote installation packages, rpm based distros (used in mandriva). |
| 211 | useradd | Add users. |
| 212 | userdel | Removes users. |
| 213 | usermod | Modifies user information. |
| 214 | users | Displays the user names of all users currently connected to the system. |
| 215 | vi | Display visual editor, text editor, you find in all Linux distros. |
| 216 | vim | Same as vi but improved. |
| 217 | visudo | Editor for the configuration file / etc / sudoers sudo. |
| 218 | vmstat | Provides information on virtual memory. |
| 219 | w | Shows who is connected to the system and you are doing. |
| 220 | wall | Send a message to all terminals. |
| 221 | warnquota | Configure / etc / warnquota.conf to complement messages for disk quotas. |
| 222 | wc | Account words, lines, characters from a file or listing. |
| 223 | wget | File Downloader from the Internet and not interactive. |
| 224 | whatis | Short description, in a line of a command or program. |
| 225 | whereis | Locate the binary, source and / or libraries, and documentation of a comado. |
| 226 | Which | Shows the full path of a command. |
| 227 | who | Shows who is connected to the system. |
| 228 | whoami | Displays the current user. |
| 229 | xhost | Access control for X sessions |
| 230 | xkill | Mata or ends to an X client, ie a graphics program. |
| 231 | yes | Prints a string repeatedly until terminated or killed the command. |
| 232 | yum | Upgrade Tool / remote installation packages, rpm based distros (used in fedora, redhat and derivatives). |
| 233 | zcat | Unzip / sample files compressed with gunzip (identical to gunzip-c) |
| 234 | zenity | Displays various types of dialogues in X from a terminal. |
| 235 | zless | Displays the contents of compressed files. |
| 236 | zmore | Displays the contents of compressed files.
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