P
P
UNIX commands
pagers
less
more
passwd
command
paging
output to screen
password
changing
guidelines for
forgotten
preventing prompt for
problems with
security provided by
PATH
variable
pathname
display to working directory
permissions
changing for access
pipe
positional parameters
accessing
with the shift command
examples of
passing
command arguments with
used in shell scripts
PostScript
files,
printing
preview
files
print queue
examining
removing jobs from
printer
changing
environment variable
for
printing
cancelling
files
manualpages
PostScript
files
processes
running in
background
cancelling
running in
foreground
killing
monitoring
restarting
sending
signals to
suspending
programming
See
shell scripts
prompt
changing
definition of
display current directory in
display username in
display system name in
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