|  | Index Entry | Section | 
|---|
| 
 | 
| T |  |  | 
|---|
|  | tabn | 19.2.3 Output settings | 
|  | tabs | 19.2.5 Combination settings | 
|  | tabs to spaces, converting | 9.2 expand: Convert tabs to spaces | 
|  | tabstops, setting | 9.2 expand: Convert tabs to spaces | 
|  | tac | 3.2 tac: Concatenate and write files in reverse | 
|  | tagged paragraphs | 4.1 fmt: Reformat paragraph text | 
|  | tail | 5.2 tail: Output the last part of files | 
|  | tandem | 19.2.2 Input settings | 
|  | target directory | 2.3 Target directory | 
|  | target directory | 2.3 Target directory | 
|  | target directory | 11.1 cp: Copy files and directories | 
|  | target directory | 11.3 install: Copy files and set attributes | 
|  | target directory | 11.4 mv: Move (rename) files | 
|  | target directory | 12.2 ln: Make links between files | 
|  | tebibyte, definition of | 2.2 Block size | 
|  | tee | 17.1 tee: Redirect output to multiple files | 
|  | telephone directory order | 7.1 sort: Sort text files | 
|  | temporary directory | 7.1 sort: Sort text files | 
|  | terabyte, definition of | 2.2 Block size | 
|  | TERM | 22.5 su: Run a command with substitute user and group id | 
|  | terminal check | 16.3.1 File type tests | 
|  | terminal file name, printing | 19.4 tty: Print file name of terminal on standard input | 
|  | terminal lines, currently used | 20.6 who: Print who is currently logged in | 
|  | terminal settings | 19.2 stty: Print or change terminal characteristics | 
|  | terminal, using color iff | 10.1.5 General output formatting | 
|  | terse output | 14.3 stat: Report file or filesystem status | 
|  | test | 16.3 test: Check file types and compare values | 
|  | text image, saving in swap space | 26.1 Structure of File Permissions | 
|  | text input files | 6.4 md5sum: Print or check message-digests | 
|  | text utilities |  | 
|  | text, displaying | 15.1 echo: Print a line of text | 
|  | text, reformatting | 4.1 fmt: Reformat paragraph text | 
|  | this in date strings | 27.6 Relative items in date strings | 
|  | time | 13.4 touch: Change file timestamps | 
|  | time | 19.2.7 Special settings | 
|  | time directives | 21.1.1 Time directives | 
|  | time formats | 4.2 pr: Paginate or columnate files for printing | 
|  | time formats | 21.1 date: Print or set system date and time | 
|  | time of day item | 27.3 Time of day items | 
|  | time setting | 21.1.5 Setting the time | 
|  | time style | 10.1.6 Formatting file timestamps | 
|  | time units | 24.1 sleep: Delay for a specified time | 
|  | time zone correction | 27.3 Time of day items | 
|  | time zone item | 27.1 General date syntax | 
|  | time zone item | 27.4 Time zone items | 
|  | time, printing or setting | 21.1 date: Print or set system date and time | 
|  | TIME_STYLE | 10.1.6 Formatting file timestamps | 
|  | timestamps of installed files, preserving | 11.3 install: Copy files and set attributes | 
|  | timestamps, changing file | 13.4 touch: Change file timestamps | 
|  | TMPDIR | 7.1 sort: Sort text files | 
|  | TMPDIR | 7.1 sort: Sort text files | 
|  | today in date strings | 27.6 Relative items in date strings | 
|  | tomorrow | 21.1.6 Options for date | 
|  | tomorrow in date strings | 27.6 Relative items in date strings | 
|  | topological sort | 7.4 tsort: Topological sort | 
|  | tostop | 19.2.4 Local settings | 
|  | total counts | 6.1 wc: Print byte, word, and line counts | 
|  | touch | 13.4 touch: Change file timestamps | 
|  | tr | 9.1 tr: Translate, squeeze, and/or delete characters | 
|  | trailing slashes | 2.4 Trailing slashes | 
|  | translating characters | 9.1.2 Translating | 
|  | true | 16.2 true: Do nothing, successfully | 
|  | truncating output file, avoiding | 11.2 dd: Convert and copy a file | 
|  | tsort | 7.4 tsort: Topological sort | 
|  | tty | 19.4 tty: Print file name of terminal on standard input | 
|  | Twenex | Why GNU sudoes not support the `wheel' group | 
|  | two-way parity | 19.2.1 Control settings | 
|  | type size | 3.4 od: Write files in octal or other formats | 
| 
 | 
| U |  |  | 
|---|
|  | u, and disabling special characters | 19.2.6 Special characters | 
|  | ucase, converting to | 11.2 dd: Convert and copy a file | 
|  | ufs filesystem type | 14.1 df: Report filesystem disk space usage | 
|  | umask and modes | 26.2.6 The Umask and Protection | 
|  | uname | 21.2 uname: Print system information | 
|  | unblock | 11.2 dd: Convert and copy a file | 
|  | unexpand | 9.3 unexpand: Convert spaces to tabs | 
|  | uniq | 7.2 uniq: Uniquify files | 
|  | unique lines, outputting | 7.2 uniq: Uniquify files | 
|  | uniquify files | 7.2 uniq: Uniquify files | 
|  | uniquifying output | 7.1 sort: Sort text files | 
|  | unlink | 12.7 unlink: Remove files via the unlink syscall | 
|  | unprintable characters, ignoring | 7.1 sort: Sort text files | 
|  | unsorted directory listing | 10.1.3 Sorting the output | 
|  | upper | 9.1.1 Specifying sets of characters | 
|  | uppercase, translating to lowercase | 19.2.2 Input settings | 
|  | use time, changing | 13.4 touch: Change file timestamps | 
|  | use time, printing or sorting files by | 10.1.3 Sorting the output | 
|  | use time, printing or sorting files by | 10.1.3 Sorting the output | 
|  | USER | 22.5 su: Run a command with substitute user and group id | 
|  | user id, switching | 22.5 su: Run a command with substitute user and group id | 
|  | user information, commands for | 20. User information | 
|  | user name, printing | 20.2 logname: Print current login name | 
|  | usernames, printing current | 20.5 users: Print login names of users currently logged in | 
|  | users | 20.5 users: Print login names of users currently logged in | 
|  | UTC | 21.1.6 Options for date | 
|  | utmp | 20.2 logname: Print current login name | 
| 
 | 
| V |  |  | 
|---|
|  | valid file names, checking for | 18.3 pathchk: Check file name portability | 
|  | vdir | 10.3 vdir: Verbosely list directory contents | 
|  | verbose ls format | 10.1.2 What information is listed | 
|  | verifying MD5 checksums | 6.4 md5sum: Print or check message-digests | 
|  | verifying MD5 checksums | 6.4 md5sum: Print or check message-digests | 
|  | version number, finding | 2. Common options | 
|  | version of kernel | 21.2 uname: Print system information | 
|  | version, sorting option for ls | 10.1.3 Sorting the output | 
|  | version-control Emacs variable | 2.1 Backup options | 
|  | VERSION_CONTROL | 2.1 Backup options | 
|  | VERSION_CONTROL | 11.1 cp: Copy files and directories | 
|  | VERSION_CONTROL | 11.3 install: Copy files and set attributes | 
|  | VERSION_CONTROL | 11.4 mv: Move (rename) files | 
|  | VERSION_CONTROL | 12.2 ln: Make links between files | 
|  | vertical sorted files in columns | 10.1.5 General output formatting | 
|  | vtn | 19.2.3 Output settings | 
| 
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