Index
[SYMBOL]
[A]
[B]
[C]
[D]
[E]
[F]
[G]
[H]
[I]
[J]
[K]
[L]
[M]
[N]
[O]
[P]
[Q]
[R]
[S]
[T]
[U]
[V]
[W]
[X]
[Y]
[Z]
p command, vi
P command, vi
parallelization
parameters
[See arguments]
parameters, positional
[See positional parameters]
parent directory
parentheses (( ))
((...)) (arithmetic test) 2nd 3rd
command substitution
grouping conditional operators
in arithmetic expressions
nested subshells
PATH environment variable 2nd 3rd 4th
pathname expansion
pathnames
expansion of
tilde (~) notation 2nd
wildcards for
pattern matching operators
Bourne shell support
extended
pbmtext utility
PC platforms, shells for
pdksh (Public Domain Korn shell)
Peek, Jerry (Learning the UNIX Operating System)
percent sign (%)
%% (job most recently put in background)
%% (pattern-matching operator) 2nd
%+ (job most recently put in background)
%- (job second-most recently put in background)
%? (job containing string)
job numbers
modulus operator
pattern-matching operator
printf format specifiers 2nd
word designator
permissions
default
for scripts
PID (process ID) 2nd
determining
shell variable containing
pipe character (^) 2nd
pipe character (|) 2nd
pipelines 2nd 3rd
as coroutines
in command line processing
named pipes
system calls invoked by
PIPESTATUS environment variable
plus sign (+)
++ (increment operatro)
addition operator
extended pattern-matching operator
printf flag
vi command
xtrace output
PNM (Portable Anymap) format 2nd
pnmcat utility
pnmmargin utility, NetPBM
pnmnlfilt utility, NetPBM
pnmscale utility, NetPBM
point, emacs editing mode
popd command 2nd
+n option
-N option
Bourne shell not supporting
Korn not supporting
popd function example 2nd
Portable Anymap (PNM) format 2nd
positional parameters
assignments using 2nd
command-line options and
in functions
POSIX regular expressions
POSIX shell 2nd 3rd
POSIX, bash using 2nd
POSIXLY_CORRECT environment variable
pound sign
[See hash mark]
PPID environment variable
Practical UNIX and Internet Security (Spafford, Garfinkel)
precedence
[See order of precedence]
print command, Korn
printer file filter example
printf command
Bourne shell support
flags for
format specifiers for 2nd
priority of jobs
privileged mode
procedures
[See functions]
process ID (PID)
determining
shell variable containing
process substitution 2nd
processes [See also signals]
listing information about
parallelization of
simultaneous (coroutines)
system resources used by
zombies or orphans
profile
customizing
environment file and
environment variables in
ignoring
restricted
programmable completion 2nd
programming language, choosing
programming, shell
[See scripts]
programs
[See executable files]
prompt string customizations
PROMPT_COMMAND environment variable
prompting shell variables
ps command
-a option
-ax option
-e option
PS1 environment variable 2nd 3rd 4th
PS2 environment variable 2nd 3rd
PS3 environment variable 2nd 3rd
PS4 environment variable 2nd 3rd 4th 5th
pushd command 2nd
+n option
-N option
Bourne shell not supporting
Korn not supporting
pushd directory stack example
pushd function example 2nd 3rd
pwd command 2nd
PWD environment variable 2nd 3rd
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