操作系统命令注入(Linux篇)

Search for files that meet a desired criteria Reformat paragraph text Wrap text to fit a specified width. Expand words, and execute commands format Format disks or tapes free Display memory usage File system consistency check and repair File Transfer Protocol Define Function Macros Identify/kill the process that is accessing a fileg Find and Replace text within file(s) Parse positional parameters Search file(s) for lines that match a given pattern Add a user security group Delete a group Modify a group Print group names a user is in Compress or decompress named file(s)h Remember the full pathname of a name argument Output the first part of file(s) help Display help for a built-in command • Command History Print or set system name Interactive process vieweri Convert the character set of a file Print user and group id's Conditionally perform a command Configure a network interface Stop a network interface

Start a network interface up Capture an X server screen and save the image to file Copy files and set attributes Report CPU and i/o statistics Routing, devices and tunnelsj List active jobs • Join lines on a common fieldk Kill a process by specifying its PID Kill processes by namel Display output one screen at a time Perform arithmetic on shell variables • Create a link to a file

Create a symbolic link to a file Create a function variable • Find files Print current login name Exit a login shell • Display lines beginning with a given string Line printer control program Off line print lprint Print a file lprintd Abort a print job lprintq List the print queue Remove jobs from the print queue List file attributes on a Linux second extended file system List block devices List information about file(s) List open files List all PCI devicesm make Recompile a group of programs Help manual Create new folder(s) Make FIFOs (named pipes) Make a file mkisofs Create an hybrid ISO9660/JOLIET/HFS filesystem Make block or character special files Make a temporary file Display output one screen at a time Browse or page through a text file Mount a file system Manipulate MS-DOS files Network diagnostics (traceroute/ping) Move or rename files or directories Mass Move and rename (files)n Netcat, read and write data across networks Networking connections/stats Set the priority of a command or job

Number lines and write files Run a command immune to hangups Send desktop notifications Query Internet name servers interactivelyo Open a file in its default application Operator access

p Modify a user password Merge lines of files pathchk Check file name portability Performance analysis tools for Linux

Test a network connection List processes by name Kill processes by name Restore the previous value of the current directory Prepare files for printing printcap Printer capability database Print environment variables Format and print data • Process status Save and then change the current directory Monitor the progress of data through a pipe

Print Working Directoryq Display disk usage and limits Scan a file system for disk usager ram disk device Archive files with compression Copy files between two machines Read a line from standard input • readarray Read from stdin into an array variable • Mark variables/functions as readonly reboot Reboot the system Rename files renice Alter priority of running processes

remsync Synchronize remote files via email Exit a shell function Reverse lines of a file Remove files Remove folder(s) Remote file copy (Synchronize file trees)s Multiplex terminal, run remote shells via ssh Secure copy (remote file copy) Merge two files interactively Stream Editor Accept keyboard input Print numeric sequences Manipulate shell variables and functions sftp Secure File Transfer Program Shift positional parameters Shell Options Shutdown or restart linux Delay for a specified time Find files Sort text files Run commands from a file '.' Split a file into fixed-size pieces Socket Statistics Secure Shell client (remote login program) Display file or file system status

Trace system calls and signals Substitute user identity Execute a command as another user Print a checksum for a file Suspend execution of this shell • Synchronize data on disk with memoryt Output the last part of file Store, list or extract files in an archive Redirect output to multiple files Evaluate a conditional expression Measure Program running time Run a command with a time limit User and system times Change file timestamps List processes running on the system Set terminal-dependent capabilities, color, position Trace Route to Host Execute a command when the shell receives a signal • Translate, squeeze, and/or delete characters Do nothing, successfully

Topological sort Print filename of terminal on stdin Describe a command •u Limit user resources • Users file creation mask umount Unmount a device Remove an alias • Print system information Convert spaces to tabs Uniquify files Convert units from one scale to another Extract files from a rar archive

Remove variable or function names Unpack shell archive scripts Execute commands (until error) uptime Show uptime Create new user account Delete a user account Modify user account List users currently logged in Encode a binary file

Decode a file created by uuencodev v Verbosely list directory contents (`ls -l -b') vdir Verbosely list directory contents (`ls -l -b') Text Editor Report virtual memory statisticsw Show who is logged on and what they are doing Wait for a process to complete • Execute/display a program periodically Print byte, word, and line counts Search the user's $path, man pages and source files for a program Search the user's $path for a program file Execute commands Print all usernames currently logged in Print the current user id and name (`id -un') wget Retrieve web pages or files via HTTP, HTTPS or FTP Send a message to another user

x Execute utility, passing constructed argument list(s) Open a file or URL in the user's preferred application. Compress or decompress .xz and .lzma files Print a string until interrupted Package and compress (archive) files. Run a command script in the current shell Run the last command again Comment / Remark