'xrdef {Introduction-title}{Introduction}
'xrdef {Introduction-pg}{1}
'xrdef {Introduction-snt}{Chapter'tie1}
'xrdef {Common options-title}{Common options}
'xrdef {Common options-pg}{2}
'xrdef {Common options-snt}{Chapter'tie2}
'xrdef {Backup options-title}{Backup options}
'xrdef {Backup options-pg}{2}
'xrdef {Backup options-snt}{Section'tie2.1}
'xrdef {Block size-title}{Block size}
'xrdef {Block size-pg}{3}
'xrdef {Block size-snt}{Section'tie2.2}
'xrdef {Target directory-title}{Target directory}
'xrdef {Target directory-pg}{5}
'xrdef {Target directory-snt}{Section'tie2.3}
'xrdef {Trailing slashes-title}{Trailing slashes}
'xrdef {Trailing slashes-pg}{6}
'xrdef {Trailing slashes-snt}{Section'tie2.4}
'xrdef {Standards conformance-title}{Standards conformance}
'xrdef {Standards conformance-pg}{6}
'xrdef {Standards conformance-snt}{Section'tie2.5}
'xrdef {Output of entire files-title}{Output of entire files}
'xrdef {Output of entire files-pg}{7}
'xrdef {Output of entire files-snt}{Chapter'tie3}
'xrdef {cat invocation-title}{\command {cat}: Concatenate and write files}
'xrdef {cat invocation-pg}{7}
'xrdef {cat invocation-snt}{Section'tie3.1}
'xrdef {tac invocation-title}{\command {tac}: Concatenate and write files in reverse}
'xrdef {tac invocation-pg}{8}
'xrdef {tac invocation-snt}{Section'tie3.2}
'xrdef {nl invocation-title}{\command {nl}: Number lines and write files}
'xrdef {nl invocation-pg}{8}
'xrdef {nl invocation-snt}{Section'tie3.3}
'xrdef {od invocation-title}{\command {od}: Write files in octal or other formats}
'xrdef {od invocation-pg}{10}
'xrdef {od invocation-snt}{Section'tie3.4}
'xrdef {Formatting file contents-title}{Formatting file contents}
'xrdef {Formatting file contents-pg}{14}
'xrdef {Formatting file contents-snt}{Chapter'tie4}
'xrdef {fmt invocation-title}{\command {fmt}: Reformat paragraph text}
'xrdef {fmt invocation-pg}{14}
'xrdef {fmt invocation-snt}{Section'tie4.1}
'xrdef {pr invocation-title}{\command {pr}: Paginate or columnate files for printing}
'xrdef {pr invocation-pg}{15}
'xrdef {pr invocation-snt}{Section'tie4.2}
'xrdef {fold invocation-title}{\command {fold}: Wrap input lines to fit in specified width}
'xrdef {fold invocation-pg}{20}
'xrdef {fold invocation-snt}{Section'tie4.3}
'xrdef {Output of parts of files-title}{Output of parts of files}
'xrdef {Output of parts of files-pg}{21}
'xrdef {Output of parts of files-snt}{Chapter'tie5}
'xrdef {head invocation-title}{\command {head}: Output the first part of files}
'xrdef {head invocation-pg}{21}
'xrdef {head invocation-snt}{Section'tie5.1}
'xrdef {tail invocation-title}{\command {tail}: Output the last part of files}
'xrdef {tail invocation-pg}{21}
'xrdef {tail invocation-snt}{Section'tie5.2}
'xrdef {split invocation-title}{\command {split}: Split a file into fixed-size pieces}
'xrdef {split invocation-pg}{24}
'xrdef {split invocation-snt}{Section'tie5.3}
'xrdef {csplit invocation-title}{\command {csplit}: Split a file into context-determined pieces}
'xrdef {csplit invocation-pg}{25}
'xrdef {csplit invocation-snt}{Section'tie5.4}
'xrdef {Summarizing files-title}{Summarizing files}
'xrdef {Summarizing files-pg}{27}
'xrdef {Summarizing files-snt}{Chapter'tie6}
'xrdef {wc invocation-title}{\code {wc}: Print byte, word, and line counts}
'xrdef {wc invocation-pg}{27}
'xrdef {wc invocation-snt}{Section'tie6.1}
'xrdef {sum invocation-title}{\command {sum}: Print checksum and block counts}
'xrdef {sum invocation-pg}{28}
'xrdef {sum invocation-snt}{Section'tie6.2}
'xrdef {cksum invocation-title}{\command {cksum}: Print CRC checksum and byte counts}
'xrdef {cksum invocation-pg}{28}
'xrdef {cksum invocation-snt}{Section'tie6.3}
'xrdef {md5sum invocation-title}{\command {md5sum}: Print or check message-digests}
'xrdef {md5sum invocation-pg}{28}
'xrdef {md5sum invocation-snt}{Section'tie6.4}
'xrdef {Operating on sorted files-title}{Operating on sorted files}
'xrdef {Operating on sorted files-pg}{30}
'xrdef {Operating on sorted files-snt}{Chapter'tie7}
'xrdef {sort invocation-title}{\command {sort}: Sort text files}
'xrdef {sort invocation-pg}{30}
'xrdef {sort invocation-snt}{Section'tie7.1}
'xrdef {uniq invocation-title}{\command {uniq}: Uniquify files}
'xrdef {uniq invocation-pg}{35}
'xrdef {uniq invocation-snt}{Section'tie7.2}
'xrdef {comm invocation-title}{\command {comm}: Compare two sorted files line by line}
'xrdef {comm invocation-pg}{36}
'xrdef {comm invocation-snt}{Section'tie7.3}
'xrdef {tsort invocation-title}{\command {tsort}: Topological sort}
'xrdef {tsort invocation-pg}{37}
'xrdef {tsort invocation-snt}{Section'tie7.4}
'xrdef {tsort background-title}{\command {tsort}: Background}
'xrdef {tsort background-pg}{39}
'xrdef {tsort background-snt}{Section'tie7.5}
'xrdef {ptx invocation-title}{\command {ptx}: Produce permuted indexes}
'xrdef {ptx invocation-pg}{39}
'xrdef {ptx invocation-snt}{Section'tie7.6}
'xrdef {General options in ptx-title}{General options}
'xrdef {General options in ptx-pg}{40}
'xrdef {General options in ptx-snt}{Section'tie7.6.1}
'xrdef {Charset selection in ptx-title}{Charset selection}
'xrdef {Charset selection in ptx-pg}{40}
'xrdef {Charset selection in ptx-snt}{Section'tie7.6.2}
'xrdef {Input processing in ptx-title}{Word selection and input processing}
'xrdef {Input processing in ptx-pg}{40}
'xrdef {Input processing in ptx-snt}{Section'tie7.6.3}
'xrdef {Output formatting in ptx-title}{Output formatting}
'xrdef {Output formatting in ptx-pg}{42}
'xrdef {Output formatting in ptx-snt}{Section'tie7.6.4}
'xrdef {Compatibility in ptx-title}{The \sc {gnu} extensions to \command {ptx}}
'xrdef {Compatibility in ptx-pg}{45}
'xrdef {Compatibility in ptx-snt}{Section'tie7.6.5}
'xrdef {Operating on fields within a line-title}{Operating on fields within a line}
'xrdef {Operating on fields within a line-pg}{46}
'xrdef {Operating on fields within a line-snt}{Chapter'tie8}
'xrdef {cut invocation-title}{\command {cut}: Print selected parts of lines}
'xrdef {cut invocation-pg}{46}
'xrdef {cut invocation-snt}{Section'tie8.1}
'xrdef {paste invocation-title}{\command {paste}: Merge lines of files}
'xrdef {paste invocation-pg}{47}
'xrdef {paste invocation-snt}{Section'tie8.2}
'xrdef {join invocation-title}{\command {join}: Join lines on a common field}
'xrdef {join invocation-pg}{47}
'xrdef {join invocation-snt}{Section'tie8.3}
'xrdef {Operating on characters-title}{Operating on characters}
'xrdef {Operating on characters-pg}{50}
'xrdef {Operating on characters-snt}{Chapter'tie9}
'xrdef {tr invocation-title}{\command {tr}: Translate, squeeze, and/or delete characters}
'xrdef {tr invocation-pg}{50}
'xrdef {tr invocation-snt}{Section'tie9.1}
'xrdef {Character sets-title}{Specifying sets of characters}
'xrdef {Character sets-pg}{50}
'xrdef {Character sets-snt}{Section'tie9.1.1}
'xrdef {Translating-title}{Translating}
'xrdef {Translating-pg}{52}
'xrdef {Translating-snt}{Section'tie9.1.2}
'xrdef {Squeezing-title}{Squeezing repeats and deleting}
'xrdef {Squeezing-pg}{52}
'xrdef {Squeezing-snt}{Section'tie9.1.3}
'xrdef {Warnings in tr-title}{Warning messages}
'xrdef {Warnings in tr-pg}{54}
'xrdef {Warnings in tr-snt}{Section'tie9.1.4}
'xrdef {expand invocation-title}{\command {expand}: Convert tabs to spaces}
'xrdef {expand invocation-pg}{54}
'xrdef {expand invocation-snt}{Section'tie9.2}
'xrdef {unexpand invocation-title}{\command {unexpand}: Convert spaces to tabs}
'xrdef {unexpand invocation-pg}{55}
'xrdef {unexpand invocation-snt}{Section'tie9.3}
'xrdef {Directory listing-title}{Directory listing}
'xrdef {Directory listing-pg}{56}
'xrdef {Directory listing-snt}{Chapter'tie10}
'xrdef {ls invocation-title}{\command {ls}: List directory contents}
'xrdef {ls invocation-pg}{56}
'xrdef {ls invocation-snt}{Section'tie10.1}
'xrdef {Which files are listed-title}{Which files are listed}
'xrdef {Which files are listed-pg}{56}
'xrdef {Which files are listed-snt}{Section'tie10.1.1}
'xrdef {What information is listed-title}{What information is listed}
'xrdef {What information is listed-pg}{57}
'xrdef {What information is listed-snt}{Section'tie10.1.2}
'xrdef {Sorting the output-title}{Sorting the output}
'xrdef {Sorting the output-pg}{60}
'xrdef {Sorting the output-snt}{Section'tie10.1.3}
'xrdef {More details about version sort-title}{More details about version sort}
'xrdef {More details about version sort-pg}{62}
'xrdef {More details about version sort-snt}{Section'tie10.1.4}
'xrdef {General output formatting-title}{General output formatting}
'xrdef {General output formatting-pg}{62}
'xrdef {General output formatting-snt}{Section'tie10.1.5}
'xrdef {Formatting file timestamps-title}{Formatting file timestamps}
'xrdef {Formatting file timestamps-pg}{64}
'xrdef {Formatting file timestamps-snt}{Section'tie10.1.6}
'xrdef {Formatting the file names-title}{Formatting the file names}
'xrdef {Formatting the file names-pg}{65}
'xrdef {Formatting the file names-snt}{Section'tie10.1.7}
'xrdef {dir invocation-title}{\command {dir}: Briefly list directory contents}
'xrdef {dir invocation-pg}{67}
'xrdef {dir invocation-snt}{Section'tie10.2}
'xrdef {vdir invocation-title}{\command {vdir}: Verbosely list directory contents}
'xrdef {vdir invocation-pg}{67}
'xrdef {vdir invocation-snt}{Section'tie10.3}
'xrdef {dircolors invocation-title}{\command {dircolors}: Color setup for \code {ls}}
'xrdef {dircolors invocation-pg}{67}
'xrdef {dircolors invocation-snt}{Section'tie10.4}
'xrdef {Basic operations-title}{Basic operations}
'xrdef {Basic operations-pg}{68}
'xrdef {Basic operations-snt}{Chapter'tie11}
'xrdef {cp invocation-title}{\command {cp}: Copy files and directories}
'xrdef {cp invocation-pg}{68}
'xrdef {cp invocation-snt}{Section'tie11.1}
'xrdef {dd invocation-title}{\command {dd}: Convert and copy a file}
'xrdef {dd invocation-pg}{72}
'xrdef {dd invocation-snt}{Section'tie11.2}
'xrdef {install invocation-title}{\command {install}: Copy files and set attributes}
'xrdef {install invocation-pg}{73}
'xrdef {install invocation-snt}{Section'tie11.3}
'xrdef {mv invocation-title}{\command {mv}: Move (rename) files}
'xrdef {mv invocation-pg}{75}
'xrdef {mv invocation-snt}{Section'tie11.4}
'xrdef {rm invocation-title}{\command {rm}: Remove files or directories}
'xrdef {rm invocation-pg}{76}
'xrdef {rm invocation-snt}{Section'tie11.5}
'xrdef {shred invocation-title}{\command {shred}: Remove files more securely}
'xrdef {shred invocation-pg}{77}
'xrdef {shred invocation-snt}{Section'tie11.6}
'xrdef {Special file types-title}{Special file types}
'xrdef {Special file types-pg}{81}
'xrdef {Special file types-snt}{Chapter'tie12}
'xrdef {link invocation-title}{\command {link}: Make a hard link via the link syscall}
'xrdef {link invocation-pg}{81}
'xrdef {link invocation-snt}{Section'tie12.1}
'xrdef {ln invocation-title}{\command {ln}: Make links between files}
'xrdef {ln invocation-pg}{81}
'xrdef {ln invocation-snt}{Section'tie12.2}
'xrdef {mkdir invocation-title}{\command {mkdir}: Make directories}
'xrdef {mkdir invocation-pg}{83}
'xrdef {mkdir invocation-snt}{Section'tie12.3}
'xrdef {mkfifo invocation-title}{\command {mkfifo}: Make FIFOs (named pipes)}
'xrdef {mkfifo invocation-pg}{84}
'xrdef {mkfifo invocation-snt}{Section'tie12.4}
'xrdef {mknod invocation-title}{\command {mknod}: Make block or character special files}
'xrdef {mknod invocation-pg}{84}
'xrdef {mknod invocation-snt}{Section'tie12.5}
'xrdef {rmdir invocation-title}{\command {rmdir}: Remove empty directories}
'xrdef {rmdir invocation-pg}{85}
'xrdef {rmdir invocation-snt}{Section'tie12.6}
'xrdef {unlink invocation-title}{\command {unlink}: Remove files via the unlink syscall}
'xrdef {unlink invocation-pg}{85}
'xrdef {unlink invocation-snt}{Section'tie12.7}
'xrdef {Changing file attributes-title}{Changing file attributes}
'xrdef {Changing file attributes-pg}{86}
'xrdef {Changing file attributes-snt}{Chapter'tie13}
'xrdef {chown invocation-title}{\command {chown}: Change file owner and group}
'xrdef {chown invocation-pg}{86}
'xrdef {chown invocation-snt}{Section'tie13.1}
'xrdef {chgrp invocation-title}{\command {chgrp}: Change group ownership}
'xrdef {chgrp invocation-pg}{87}
'xrdef {chgrp invocation-snt}{Section'tie13.2}
'xrdef {chmod invocation-title}{\command {chmod}: Change access permissions}
'xrdef {chmod invocation-pg}{88}
'xrdef {chmod invocation-snt}{Section'tie13.3}
'xrdef {touch invocation-title}{\command {touch}: Change file timestamps}
'xrdef {touch invocation-pg}{89}
'xrdef {touch invocation-snt}{Section'tie13.4}
'xrdef {Disk usage-title}{Disk usage}
'xrdef {Disk usage-pg}{91}
'xrdef {Disk usage-snt}{Chapter'tie14}
'xrdef {df invocation-title}{\command {df}: Report filesystem disk space usage}
'xrdef {df invocation-pg}{91}
'xrdef {df invocation-snt}{Section'tie14.1}
'xrdef {du invocation-title}{\command {du}: Estimate file space usage}
'xrdef {du invocation-pg}{93}
'xrdef {du invocation-snt}{Section'tie14.2}
'xrdef {stat invocation-title}{\command {stat}: Report file or filesystem status}
'xrdef {stat invocation-pg}{95}
'xrdef {stat invocation-snt}{Section'tie14.3}
'xrdef {sync invocation-title}{\command {sync}: Synchronize data on disk with memory}
'xrdef {sync invocation-pg}{96}
'xrdef {sync invocation-snt}{Section'tie14.4}
'xrdef {Printing text-title}{Printing text}
'xrdef {Printing text-pg}{97}
'xrdef {Printing text-snt}{Chapter'tie15}
'xrdef {echo invocation-title}{\command {echo}: Print a line of text}
'xrdef {echo invocation-pg}{97}
'xrdef {echo invocation-snt}{Section'tie15.1}
'xrdef {printf invocation-title}{\command {printf}: Format and print data}
'xrdef {printf invocation-pg}{97}
'xrdef {printf invocation-snt}{Section'tie15.2}
'xrdef {yes invocation-title}{\command {yes}: Print a string until interrupted}
'xrdef {yes invocation-pg}{98}
'xrdef {yes invocation-snt}{Section'tie15.3}
'xrdef {Conditions-title}{Conditions}
'xrdef {Conditions-pg}{99}
'xrdef {Conditions-snt}{Chapter'tie16}
'xrdef {false invocation-title}{\command {false}: Do nothing, unsuccessfully}
'xrdef {false invocation-pg}{99}
'xrdef {false invocation-snt}{Section'tie16.1}
'xrdef {true invocation-title}{\command {true}: Do nothing, successfully}
'xrdef {true invocation-pg}{99}
'xrdef {true invocation-snt}{Section'tie16.2}
'xrdef {test invocation-title}{\command {test}: Check file types and compare values}
'xrdef {test invocation-pg}{99}
'xrdef {test invocation-snt}{Section'tie16.3}
'xrdef {File type tests-title}{File type tests}
'xrdef {File type tests-pg}{100}
'xrdef {File type tests-snt}{Section'tie16.3.1}
'xrdef {Access permission tests-title}{Access permission tests}
'xrdef {Access permission tests-pg}{100}
'xrdef {Access permission tests-snt}{Section'tie16.3.2}
'xrdef {File characteristic tests-title}{File characteristic tests}
'xrdef {File characteristic tests-pg}{100}
'xrdef {File characteristic tests-snt}{Section'tie16.3.3}
'xrdef {String tests-title}{String tests}
'xrdef {String tests-pg}{101}
'xrdef {String tests-snt}{Section'tie16.3.4}
'xrdef {Numeric tests-title}{Numeric tests}
'xrdef {Numeric tests-pg}{101}
'xrdef {Numeric tests-snt}{Section'tie16.3.5}
'xrdef {Connectives for test-title}{Connectives for \command {test}}
'xrdef {Connectives for test-pg}{101}
'xrdef {Connectives for test-snt}{Section'tie16.3.6}
'xrdef {expr invocation-title}{\command {expr}: Evaluate expressions}
'xrdef {expr invocation-pg}{102}
'xrdef {expr invocation-snt}{Section'tie16.4}
'xrdef {String expressions-title}{String expressions}
'xrdef {String expressions-pg}{102}
'xrdef {String expressions-snt}{Section'tie16.4.1}
'xrdef {Numeric expressions-title}{Numeric expressions}
'xrdef {Numeric expressions-pg}{103}
'xrdef {Numeric expressions-snt}{Section'tie16.4.2}
'xrdef {Relations for expr-title}{Relations for \command {expr}}
'xrdef {Relations for expr-pg}{103}
'xrdef {Relations for expr-snt}{Section'tie16.4.3}
'xrdef {Examples of expr-title}{Examples of using \command {expr}}
'xrdef {Examples of expr-pg}{104}
'xrdef {Examples of expr-snt}{Section'tie16.4.4}
'xrdef {Redirection-title}{Redirection}
'xrdef {Redirection-pg}{105}
'xrdef {Redirection-snt}{Chapter'tie17}
'xrdef {tee invocation-title}{\command {tee}: Redirect output to multiple files}
'xrdef {tee invocation-pg}{105}
'xrdef {tee invocation-snt}{Section'tie17.1}
'xrdef {File name manipulation-title}{File name manipulation}
'xrdef {File name manipulation-pg}{106}
'xrdef {File name manipulation-snt}{Chapter'tie18}
'xrdef {basename invocation-title}{\code {basename}: Strip directory and suffix from a file name}
'xrdef {basename invocation-pg}{106}
'xrdef {basename invocation-snt}{Section'tie18.1}
'xrdef {dirname invocation-title}{\command {dirname}: Strip non-directory suffix from a file name}
'xrdef {dirname invocation-pg}{106}
'xrdef {dirname invocation-snt}{Section'tie18.2}
'xrdef {pathchk invocation-title}{\command {pathchk}: Check file name portability}
'xrdef {pathchk invocation-pg}{106}
'xrdef {pathchk invocation-snt}{Section'tie18.3}
'xrdef {Working context-title}{Working context}
'xrdef {Working context-pg}{107}
'xrdef {Working context-snt}{Chapter'tie19}
'xrdef {pwd invocation-title}{\command {pwd}: Print working directory}
'xrdef {pwd invocation-pg}{107}
'xrdef {pwd invocation-snt}{Section'tie19.1}
'xrdef {stty invocation-title}{\command {stty}: Print or change terminal characteristics}
'xrdef {stty invocation-pg}{107}
'xrdef {stty invocation-snt}{Section'tie19.2}
'xrdef {Control-title}{Control settings}
'xrdef {Control-pg}{108}
'xrdef {Control-snt}{Section'tie19.2.1}
'xrdef {Input-title}{Input settings}
'xrdef {Input-pg}{108}
'xrdef {Input-snt}{Section'tie19.2.2}
'xrdef {Output-title}{Output settings}
'xrdef {Output-pg}{109}
'xrdef {Output-snt}{Section'tie19.2.3}
'xrdef {Local-title}{Local settings}
'xrdef {Local-pg}{110}
'xrdef {Local-snt}{Section'tie19.2.4}
'xrdef {Combination-title}{Combination settings}
'xrdef {Combination-pg}{110}
'xrdef {Combination-snt}{Section'tie19.2.5}
'xrdef {Characters-title}{Special characters}
'xrdef {Characters-pg}{111}
'xrdef {Characters-snt}{Section'tie19.2.6}
'xrdef {Special-title}{Special settings}
'xrdef {Special-pg}{112}
'xrdef {Special-snt}{Section'tie19.2.7}
'xrdef {printenv invocation-title}{\command {printenv}: Print all or some environment variables}
'xrdef {printenv invocation-pg}{113}
'xrdef {printenv invocation-snt}{Section'tie19.3}
'xrdef {tty invocation-title}{\command {tty}: Print file name of terminal on standard input}
'xrdef {tty invocation-pg}{113}
'xrdef {tty invocation-snt}{Section'tie19.4}
'xrdef {User information-title}{User information}
'xrdef {User information-pg}{114}
'xrdef {User information-snt}{Chapter'tie20}
'xrdef {id invocation-title}{\command {id}: Print real and effective uid and gid}
'xrdef {id invocation-pg}{114}
'xrdef {id invocation-snt}{Section'tie20.1}
'xrdef {logname invocation-title}{\command {logname}: Print current login name}
'xrdef {logname invocation-pg}{114}
'xrdef {logname invocation-snt}{Section'tie20.2}
'xrdef {whoami invocation-title}{\command {whoami}: Print effective user id}
'xrdef {whoami invocation-pg}{114}
'xrdef {whoami invocation-snt}{Section'tie20.3}
'xrdef {groups invocation-title}{\command {groups}: Print group names a user is in}
'xrdef {groups invocation-pg}{115}
'xrdef {groups invocation-snt}{Section'tie20.4}
'xrdef {users invocation-title}{\command {users}: Print login names of users currently logged in}
'xrdef {users invocation-pg}{115}
'xrdef {users invocation-snt}{Section'tie20.5}
'xrdef {who invocation-title}{\command {who}: Print who is currently logged in}
'xrdef {who invocation-pg}{115}
'xrdef {who invocation-snt}{Section'tie20.6}
'xrdef {System context-title}{System context}
'xrdef {System context-pg}{117}
'xrdef {System context-snt}{Chapter'tie21}
'xrdef {date invocation-title}{\command {date}: Print or set system date and time}
'xrdef {date invocation-pg}{117}
'xrdef {date invocation-snt}{Section'tie21.1}
'xrdef {Time directives-title}{Time directives}
'xrdef {Time directives-pg}{117}
'xrdef {Time directives-snt}{Section'tie21.1.1}
'xrdef {Date directives-title}{Date directives}
'xrdef {Date directives-pg}{118}
'xrdef {Date directives-snt}{Section'tie21.1.2}
'xrdef {Literal directives-title}{Literal directives}
'xrdef {Literal directives-pg}{119}
'xrdef {Literal directives-snt}{Section'tie21.1.3}
'xrdef {Padding-title}{Padding}
'xrdef {Padding-pg}{119}
'xrdef {Padding-snt}{Section'tie21.1.4}
'xrdef {Setting the time-title}{Setting the time}
'xrdef {Setting the time-pg}{119}
'xrdef {Setting the time-snt}{Section'tie21.1.5}
'xrdef {Options for date-title}{Options for \command {date}}
'xrdef {Options for date-pg}{120}
'xrdef {Options for date-snt}{Section'tie21.1.6}
'xrdef {Examples of date-title}{Examples of \command {date}}
'xrdef {Examples of date-pg}{121}
'xrdef {Examples of date-snt}{Section'tie21.1.7}
'xrdef {uname invocation-title}{\command {uname}: Print system information}
'xrdef {uname invocation-pg}{122}
'xrdef {uname invocation-snt}{Section'tie21.2}
'xrdef {hostname invocation-title}{\command {hostname}: Print or set system name}
'xrdef {hostname invocation-pg}{123}
'xrdef {hostname invocation-snt}{Section'tie21.3}
'xrdef {hostid invocation-title}{\command {hostid}: Print numeric host identifier.}
'xrdef {hostid invocation-pg}{123}
'xrdef {hostid invocation-snt}{Section'tie21.4}
'xrdef {Modified command invocation-title}{Modified command invocation}
'xrdef {Modified command invocation-pg}{125}
'xrdef {Modified command invocation-snt}{Chapter'tie22}
'xrdef {chroot invocation-title}{\command {chroot}: Run a command with a different root directory}
'xrdef {chroot invocation-pg}{125}
'xrdef {chroot invocation-snt}{Section'tie22.1}
'xrdef {env invocation-title}{\command {env}: Run a command in a modified environment}
'xrdef {env invocation-pg}{125}
'xrdef {env invocation-snt}{Section'tie22.2}
'xrdef {nice invocation-title}{\command {nice}: Run a command with modified scheduling priority}
'xrdef {nice invocation-pg}{126}
'xrdef {nice invocation-snt}{Section'tie22.3}
'xrdef {nohup invocation-title}{\command {nohup}: Run a command immune to hangups}
'xrdef {nohup invocation-pg}{126}
'xrdef {nohup invocation-snt}{Section'tie22.4}
'xrdef {su invocation-title}{\command {su}: Run a command with substitute user and group id}
'xrdef {su invocation-pg}{127}
'xrdef {su invocation-snt}{Section'tie22.5}
'xrdef {Process control-title}{Process control}
'xrdef {Process control-pg}{129}
'xrdef {Process control-snt}{Chapter'tie23}
'xrdef {kill invocation-title}{\command {kill}: Send a signal to processes}
'xrdef {kill invocation-pg}{129}
'xrdef {kill invocation-snt}{Section'tie23.1}
'xrdef {Delaying-title}{Delaying}
'xrdef {Delaying-pg}{131}
'xrdef {Delaying-snt}{Chapter'tie24}
'xrdef {sleep invocation-title}{\command {sleep}: Delay for a specified time}
'xrdef {sleep invocation-pg}{131}
'xrdef {sleep invocation-snt}{Section'tie24.1}
'xrdef {Numeric operations-title}{Numeric operations}
'xrdef {Numeric operations-pg}{132}
'xrdef {Numeric operations-snt}{Chapter'tie25}
'xrdef {factor invocation-title}{\command {factor}: Print prime factors}
'xrdef {factor invocation-pg}{132}
'xrdef {factor invocation-snt}{Section'tie25.1}
'xrdef {seq invocation-title}{\command {seq}: Print numeric sequences}
'xrdef {seq invocation-pg}{132}
'xrdef {seq invocation-snt}{Section'tie25.2}
'xrdef {File permissions-title}{File permissions}
'xrdef {File permissions-pg}{135}
'xrdef {File permissions-snt}{Chapter'tie26}
'xrdef {Mode Structure-title}{Structure of File Permissions}
'xrdef {Mode Structure-pg}{135}
'xrdef {Mode Structure-snt}{Section'tie26.1}
'xrdef {Symbolic Modes-title}{Symbolic Modes}
'xrdef {Symbolic Modes-pg}{135}
'xrdef {Symbolic Modes-snt}{Section'tie26.2}
'xrdef {Setting Permissions-title}{Setting Permissions}
'xrdef {Setting Permissions-pg}{136}
'xrdef {Setting Permissions-snt}{Section'tie26.2.1}
'xrdef {Copying Permissions-title}{Copying Existing Permissions}
'xrdef {Copying Permissions-pg}{137}
'xrdef {Copying Permissions-snt}{Section'tie26.2.2}
'xrdef {Changing Special Permissions-title}{Changing Special Permissions}
'xrdef {Changing Special Permissions-pg}{137}
'xrdef {Changing Special Permissions-snt}{Section'tie26.2.3}
'xrdef {Conditional Executability-title}{Conditional Executability}
'xrdef {Conditional Executability-pg}{138}
'xrdef {Conditional Executability-snt}{Section'tie26.2.4}
'xrdef {Multiple Changes-title}{Making Multiple Changes}
'xrdef {Multiple Changes-pg}{138}
'xrdef {Multiple Changes-snt}{Section'tie26.2.5}
'xrdef {Umask and Protection-title}{The Umask and Protection}
'xrdef {Umask and Protection-pg}{139}
'xrdef {Umask and Protection-snt}{Section'tie26.2.6}
'xrdef {Numeric Modes-title}{Numeric Modes}
'xrdef {Numeric Modes-pg}{139}
'xrdef {Numeric Modes-snt}{Section'tie26.3}
'xrdef {Date input formats-title}{Date input formats}
'xrdef {Date input formats-pg}{141}
'xrdef {Date input formats-snt}{Chapter'tie27}
'xrdef {General date syntax-title}{General date syntax}
'xrdef {General date syntax-pg}{141}
'xrdef {General date syntax-snt}{Section'tie27.1}
'xrdef {Calendar date items-title}{Calendar date items}
'xrdef {Calendar date items-pg}{142}
'xrdef {Calendar date items-snt}{Section'tie27.2}
'xrdef {Time of day items-title}{Time of day items}
'xrdef {Time of day items-pg}{143}
'xrdef {Time of day items-snt}{Section'tie27.3}
'xrdef {Time zone items-title}{Time zone items}
'xrdef {Time zone items-pg}{144}
'xrdef {Time zone items-snt}{Section'tie27.4}
'xrdef {Day of week items-title}{Day of week items}
'xrdef {Day of week items-pg}{144}
'xrdef {Day of week items-snt}{Section'tie27.5}
'xrdef {Relative items in date strings-title}{Relative items in date strings}
'xrdef {Relative items in date strings-pg}{144}
'xrdef {Relative items in date strings-snt}{Section'tie27.6}
'xrdef {Pure numbers in date strings-title}{Pure numbers in date strings}
'xrdef {Pure numbers in date strings-pg}{145}
'xrdef {Pure numbers in date strings-snt}{Section'tie27.7}
'xrdef {Authors of getdate-title}{Authors of \code {getdate}}
'xrdef {Authors of getdate-pg}{145}
'xrdef {Authors of getdate-snt}{Section'tie27.8}
'xrdef {Opening the software toolbox-title}{Opening the Software Toolbox}
'xrdef {Opening the software toolbox-pg}{146}
'xrdef {Opening the software toolbox-snt}{Chapter'tie28}
'xrdef {Toolbox introduction-title}{Toolbox Introduction}
'xrdef {Toolbox introduction-pg}{146}
'xrdef {Toolbox introduction-snt}{}
'xrdef {I/O redirection-title}{I/O Redirection}
'xrdef {I/O redirection-pg}{146}
'xrdef {I/O redirection-snt}{}
'xrdef {The who command-title}{The \command {who} Command}
'xrdef {The who command-pg}{147}
'xrdef {The who command-snt}{}
'xrdef {The cut command-title}{The \command {cut} Command}
'xrdef {The cut command-pg}{148}
'xrdef {The cut command-snt}{}
'xrdef {The sort command-title}{The \command {sort} Command}
'xrdef {The sort command-pg}{148}
'xrdef {The sort command-snt}{}
'xrdef {The uniq command-title}{The \command {uniq} Command}
'xrdef {The uniq command-pg}{148}
'xrdef {The uniq command-snt}{}
'xrdef {Putting the tools together-title}{Putting the Tools Together}
'xrdef {Putting the tools together-pg}{148}
'xrdef {Putting the tools together-snt}{}
'xrdef {GNU Free Documentation License-title}{GNU Free Documentation License}
'xrdef {GNU Free Documentation License-pg}{154}
'xrdef {GNU Free Documentation License-snt}{Appendix'tie'char65{}}
'xrdef {How to use this License for your documents-title}{ADDENDUM: How to use this License for your documents}
'xrdef {How to use this License for your documents-pg}{159}
'xrdef {How to use this License for your documents-snt}{}
'xrdef {Index-title}{Index}
'xrdef {Index-pg}{160}
'xrdef {Index-snt}{}

.