| Index Entry | Section |
|---|
|
| V | | |
|---|
| valid file names, checking for | 18.3 pathchk: Check file name validity and portability |
| variable-length records, converting to fixed-length | 11.2 dd: Convert and copy a file |
| 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 MD5 digests |
| verifying MD5 checksums | 6.4 md5sum: Print or check MD5 digests |
| verifying MD5 checksums | 6.4 md5sum: Print or check MD5 digests |
| version number sort | 7.1 sort: Sort text files |
| version number, finding | 2. Common options |
| version of kernel | 21.4 uname: Print system information |
| version, sorting option for ls | 10.1.3 Sorting the output |
| version-control Emacs variable | 2.2 Backup options |
| VERSION_CONTROL | 2.2 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 |
|
| W | | |
|---|
| wc | 6.1 wc: Print newline, word, and byte counts |
| week in date strings | 28.6 Relative items in date strings |
| werase | 19.2.6 Special characters |
| wheel group, not supported | 23.6 su: Run a command with substitute user and group ID |
| who | 20.6 who: Print who is currently logged in |
| who am i | 20.6 who: Print who is currently logged in |
| whoami | 20.3 whoami: Print effective user ID |
| word count | 6.1 wc: Print newline, word, and byte counts |
| working context | 19. Working context |
| working directory, printing | 19.1 pwd: Print working directory |
| wrap data | 3.5 base64: Transform data into printable data |
| wrapping long input lines | 4.3 fold: Wrap input lines to fit in specified width |
| writable file check | 16.3.2 Access permission tests |
| write permission | 27.1 Structure of File Mode Bits |
| write permission, symbolic | 27.2.1 Setting Permissions |
| write, allowed | 20.6 who: Print who is currently logged in |
| wtmp | 20.5 users: Print login names of users currently logged in |
| wtmp | 20.6 who: Print who is currently logged in |
|
| X | | |
|---|
| xcase | 19.2.4 Local settings |
| xdigit | 9.1.1 Specifying sets of characters |
| XON/XOFF flow control | 19.2.2 Input settings |
|
| Y | | |
|---|
| year in date strings | 28.6 Relative items in date strings |
| yes | 15.3 yes: Print a string until interrupted |
| yesterday | 21.1.6 Options for date |
| yesterday in date strings | 28.6 Relative items in date strings |
| yottabyte, definition of | 2.3 Block size |
| Youmans, B. | 1. Introduction |
|
| Z | | |
|---|
| zero-length string check | 16.3.4 String tests |
| zettabyte, definition of | 2.3 Block size |
|