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GNU shell utilities

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Index: D -- H

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Index Entry Section

D
date10.1 date: Print or set system date and time
date directives10.1.2 Date directives
date format, ISO 86013.2 Calendar date item
date input formats3. Date input formats
date options10.1.6 Options for date
date strings, parsing10.1.6 Options for date
day in date strings3.6 Relative item in date strings
day in date strings3.6 Relative item in date strings
day of week item3.5 Day of week item
daylight-saving time3.4 Time zone item
dec8.2.5 Combination settings
decctlq8.2.5 Combination settings
delay for a specified time12.1 sleep: Delay for a specified time
delaying commands12. Delaying
destinations, multiple output6.1 tee: Redirect output to multiple files
directives, date10.1.2 Date directives
directives, literal10.1.3 Literal directives
directives, time10.1.1 Time directives
directory check5.3.1 File type tests
directory components, printing7.2 dirname: Strip non-directory suffix from a file name
directory, stripping from file names7.1 basename: Strip directory and suffix from a file name
dirname7.2 dirname: Strip non-directory suffix from a file name
disabling special characters8.2.6 Special characters
displacement of dates3.6 Relative item in date strings
displaying text4.1 echo: Print a line of text
division5.4.2 Numeric expressions
do nothing, successfully5.2 true: Do nothing, successfully
do nothing, unsuccessfully5.1 false: Do nothing, unsuccessfully
dsusp8.2.6 Special characters

E
echo8.2.4 Local settings
echoctl8.2.4 Local settings
echoe8.2.4 Local settings
echok8.2.4 Local settings
echoke8.2.4 Local settings
echonl8.2.4 Local settings
echoprt8.2.4 Local settings
effective uid and gid, printing9.1 id: Print real and effective uid and gid
effective UID, printing9.3 whoami: Print effective user id
eight-bit characters8.2.1 Control settings
eight-bit characters8.2.5 Combination settings
eight-bit input8.2.2 Input settings
ek8.2.5 Combination settings
env11.2 env: Run a command in a modified environment
environment variables, printing8.3 printenv: Print all or some environment variables
environment, preserving11.5 su: Run a command with substitute user and group id
environment, printing11.2 env: Run a command in a modified environment
environment, running a program in a modified11.2 env: Run a command in a modified environment
eof8.2.6 Special characters
eol8.2.6 Special characters
eol28.2.6 Special characters
epoch, for Unix3. Date input formats
epoch, seconds since10.1.1 Time directives
equal string check5.3.4 String tests
erase8.2.6 Special characters
evaluation of expressions5.4 expr: Evaluate expressions
even parity8.2.1 Control settings
evenp8.2.5 Combination settings
examples of date10.1.7 Examples of date
examples of expr5.4.4 Examples of using expr
executable file check5.3.2 Access permission tests
existence-of-file check5.3.3 File characteristics tests
exit status commands5. Conditions
exit status of expr5.4 expr: Evaluate expressions
exit status of false5.1 false: Do nothing, unsuccessfully
exit status of pathchk7.3 pathchk: Check file name portability
exit status of printenv8.3 printenv: Print all or some environment variables
exit status of true5.2 true: Do nothing, successfully
exit status of tty8.4 tty: Print file name of terminal on standard input
expr5.4 expr: Evaluate expressions
expression evaluation5.3 test: Check file types and compare values
expression evaluation5.4 expr: Evaluate expressions
expressions, numeric5.4.2 Numeric expressions
expressions, string5.4.1 String expressions

F
factor13.1 factor: Print prime factors
failure exit status5.1 false: Do nothing, unsuccessfully
false5.1 false: Do nothing, unsuccessfully
fascism11.5 su: Run a command with substitute user and group id
ffn8.2.3 Output settings
fields, padding numeric10.1.4 Padding
file characteristics tests5.3.3 File characteristics tests
file name manipulation7. File name manipulation
file name pattern expansion, disabled11.5 su: Run a command with substitute user and group id
file names, checking validity and portability7.3 pathchk: Check file name portability
file names, stripping directory and suffix7.1 basename: Strip directory and suffix from a file name
file type tests5.3.1 File type tests
first in date strings3.1 General date syntax
flow control, hardware8.2.1 Control settings
flow control, software8.2.2 Input settings
flushing, disabling8.2.4 Local settings
formatting of numbers in seq13.2 seq: Print numeric sequences
formatting times10.1 date: Print or set system date and time
fortnight in date strings3.6 Relative item in date strings

G
general date syntax3.1 General date syntax
getdate3. Date input formats
globbing, disabled11.5 su: Run a command with substitute user and group id
Greenwich Mean Time3.4 Time zone item
Greenwich Mean Time10.1.6 Options for date
group wheel, not supported11.5 su: Run a command with substitute user and group id
groups9.4 groups: Print group names a user is in

H
hangups, immunity to11.4 nohup: Run a command immune to hangups
hard link check5.3.3 File characteristics tests
hardware flow control8.2.1 Control settings
hardware type10.2 uname: Print system information
hat notation for control characters8.2.4 Local settings
help, online2. Common options
history1. Introduction
HOME11.5 su: Run a command with substitute user and group id
host processor type10.2 uname: Print system information
hostname10.3 hostname: Print or set system name
hour in date strings3.6 Relative item in date strings
hup[cl]8.2.1 Control settings

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