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System

System administration tools — kernel ring buffer, IPC, namespaces, swap, loop devices, resource limits, and CPU/memory introspection.

Implemented

  • blkdiscard — discard sectors on a block device
  • choom — display and adjust OOM-killer score
  • ctrlaltdel — set the function of the Ctrl-Alt-Del combination
  • dmesg — print or control the kernel ring buffer
  • eject — eject removable media
  • fadvise — advise the kernel about file access patterns
  • fallocate — preallocate or deallocate space to a file
  • flock — manage locks from shell scripts
  • fsfreeze — suspend or resume access to a filesystem
  • fstrim — discard unused blocks on a mounted filesystem
  • ipcmk — create System V IPC resources
  • ipcrm — remove System V IPC resources
  • ipcs — show information on System V IPC facilities
  • losetup — set up and control loop devices
  • lscpu — display information about the CPU architecture
  • lsipc — list information on IPC facilities
  • lsirq — display kernel interrupt information
  • lsmem — list memory ranges with their online status
  • lsns — list system namespaces
  • mountpoint — see if a directory or file is a mountpoint
  • nsenter — run a program in different namespaces
  • pipesz — set or examine pipe and FIFO buffer sizes
  • pivot_root — change the root filesystem
  • prlimit — get and set process resource limits
  • renice — alter priority of running processes
  • rfkill — enable and disable wireless devices
  • setpgid — run a program in a new process group
  • setsid — run a program in a new session
  • swapoff — disable devices and files for paging and swapping
  • swapon — enable devices and files for paging and swapping
  • unshare — run a program in new namespaces

Planned

adjtime_config, blkpr, blkzone, chcpu, chmem, hwclock, irqtop, ldattach, mount, readprofile, rtcwake, setarch, setpriv, switch_root, tunelp, umount, wdctl, zramctl.