commRef.json

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