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local Unix Command Summary

lpst generate statement showing all transactions on laser printer account.
lpcred show balance of account for chargeable printers
psdouble produce double-sided PostScript (postscript filter)
alert display the alert message
chshell change default login shell
vdiff visual differential file comparator and merger
vf screen oriented file displayer
xdisplay echo current X display name
xvt VT100 emulator for the X window system
gnu* most gnu based tools as opposed to SysV can be found by prefixing gnu to the command. examples gnudu, gnudf, gnutar and gnumake.
mailinfo display information about UKC mail users. See also Moving your mailstore to a CS server .