Linux cheat sheet (reformated from http://www.catonmat.net/download/util-linux-cheat-sheet.pdf)

linux-cheat-sheet.md

• addpart: Informs the Linux kernel of new partition
• agetty: Alternative Linux getty; handles tty, login, shell
• arch: print machine architecture
• blkid: Locate/print block device attributes
• blockdev: Call block device ioctls from the command line
• cal: Displays a calendar
• cfdisk: Curses based disk partition table manipulator
• chcpu: Configure CPUs
• chfn: Change your finger information
• chkdupexe: Find duplicate executables
• chrt: Manipulate real-time attributes of a process
• chsh: Change login shell
• col: Filter reverse line feeds from input
• colcrt: Filter nroff output for CRT previewing
• colrm: Remove columns from a file
• column: Convert lists into nice columns
• ctrlaltdel: Change the behavior of ctrl+alt+del
• cytune: Tune driver parameters for Cyclades-Z multiport serial card
• ddate: Convert Gregorian dates to Discordian dates
• delpart: Ask the Linux kernel to remove a partition
• dmesg: Examine or control the kernel ring buffer
• eject: Eject removable media
• elvtune: Tune the I/O elevator per blockdevice queue basis
• fallocate: Preallocate space to a file
• fdformat: Low-level format a floppy disk
• fdisk: Partition table manipulator for Linux
• findfs: Find a filesystem by label or UUID
• findmnt: List all mounted filesytems or search for a filesystem
• flock: Manages file locks from the command line or scripts
• fsck: Check and repair one or more Linux file systems
• fsck.cramfs: Check and repair a cramfs file system
• fsck.minix: Check and repair a Minix file system
• fsfreeze: Suspend and resume access to a filesystem
• fstrim: Discard unused blocks on a mounted filesystem
• getopt: Parse command options
• hexdump: Ascii, decimal, hexadecimal, octal dump
• hwclock: Query and set the hardware clock (RTC)
• ionice: Get/set program I/O scheduling class and priority
• ipcmk: Create various ipc resources
• ipcrm: Remove a message queue, semaphore, shared mem
• ipcs: Provide information on ipc facilities
• isosize: Outputs the length of a iso9660 file system
• kill: Send a signal to the specified process/group
• last: Show listing of last logged in users
• ldattach: Attach a line discipline to a serial line
• line: Read one line from the stdin and print it to stdout
• logger: Makes entries in the syslog system log
• login: Begin session on the system
• look: Display lines beginning with a given string
• losetup: Set up and control loop devices
• lsblk: Prints all block devices
• lscpu: Display information about the CPU architecture
• lslocks: List local system locks
• mcookie: Generate magic cookies for xauth
• mesg: Configure if messages from other users should be displayed
• mkfs: Build a Linux file system
• mkfs.bfs: Make an SCO bfs filesystem
• mkfs.cramfs: Make a cramfs filesystem
• mkfs.minix: Make a Minix filesystem
• mkswap: Set up a Linux swap area
• more: Filter for paging through text one screenful at a time
• mount: Mount a file system
• mountpoint: See if a directory is a mountpoint
• namei: Follow a pathname until a terminal point is found
• newgrp: Change the current group ID
• partx: Tell the kernel about presence and numbering of disk partitions
• pg: Browse pagewise through text files
• pivot_root: Change the root file system
• prlimit: Get and set a process resource limits
• raw: Bind a Linux raw character device
• readprofile: A tool to read kernel profiling information
• rename: Rename files
• renice: Alter priority of running processes
• resizepart: Informs the Linux kernel of a new partition size
• rev: Reverse lines of a file or files
• rtcwake: Enter a system sleep state until specified wakeup time
• script: Make typescript of terminal session
• scriptreplay: Play back typescripts, using timing information
• setarch: Change computer arch in new program and set personality flags
• setsid: Run a program in a new session
• setterm: Set terminal attributes
• sfdisk: Another partition table manipulator for Linux
• su: Change user ID or become super-user
• sulogin: Single-user login (used by init)
• swaplabel: Print or change the label or UUID of a swap area
• swapoff: Disable devices and files for paging and swapping
• swapon: Enable devices and files for paging and swapping
• switch_root: Switch to another filesystem as the root of the mount tree
• tailf: Follow the growth of a log file without side-effects
• taskset: Retrieve or set a process's CPU affinity
• tunelp: Set various parameters for the lp device (/dev/lpX)
• ul: Convert occurrences of underscores to terminal underlines
• umount: Unmount file systems
• unshare: Run program with some namespaces unshared from parent
• utmpdump: Dump UTMP and WTMP files in raw format
• uuidd: UUID generation daemon
• uuidgen: Create (and print) a new universally unique identifier (UUID)
• vigr: Edit the group or shadow-group file
• vipw: Edit the password or shadow-password file
• wall: Write a message to users
• wdctl: Show hardware watchdog status
• whereis: Locate the binary, source, and manual page files for a command
• wipefs: Wipe a filesystem signature from a device
• write: Send a message to another user