Comandos de la terminal/file

• file

file

[rrc@pridd ~]$ file --version
file-5.12
magic file from /usr/share/misc/magic

[rrc@pridd ~]$ file --help
Usage: file [OPTION...] [FILE...]
Determine type of FILEs.

      --help                 display this help and exit
  -v, --version              output version information and exit
  -m, --magic-file LIST      use LIST as a colon-separated list of magic
                               number files
  -z, --uncompress           try to look inside compressed files
  -b, --brief                do not prepend filenames to output lines
  -c, --checking-printout    print the parsed form of the magic file, use in
                               conjunction with -m to debug a new magic file
                               before installing it
  -e, --exclude TEST         exclude TEST from the list of test to be
                               performed for file. Valid tests are:
                               apptype, ascii, cdf, compress, elf, encoding,
                               soft, tar, text, tokens
  -f, --files-from FILE      read the filenames to be examined from FILE
  -F, --separator STRING     use string as separator instead of `:'
  -i, --mime                 output MIME type strings (--mime-type and
                               --mime-encoding)
      --apple                output the Apple CREATOR/TYPE
      --mime-type            output the MIME type
      --mime-encoding        output the MIME encoding
  -k, --keep-going           don't stop at the first match
  -l, --list                 list magic strength
  -L, --dereference          follow symlinks (default)
  -h, --no-dereference       don't follow symlinks
  -n, --no-buffer            do not buffer output
  -N, --no-pad               do not pad output
  -0, --print0               terminate filenames with ASCII NUL
  -p, --preserve-date        preserve access times on files
  -r, --raw                  don't translate unprintable chars to \ooo
  -s, --special-files        treat special (block/char devices) files as
                             ordinary ones
  -C, --compile              compile file specified by -m
  -d, --debug                print debugging messages

[rrc@pridd ~]$ file /usr/bin/bash
/usr/bin/bash: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.33, BuildID[sha1]=fe0cb92354ccf5fc2af3caca90c8fa11d4065f14, stripped

[rrc@pridd ~]$ file -b /usr/bin/bash
ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.33, BuildID[sha1]=fe0cb92354ccf5fc2af3caca90c8fa11d4065f14, stripped

[rrc@pridd ~]$ file /dev/ttyS0 
/dev/ttyS0: character special

[rrc@pridd ~]$ file /dev/sda1
/dev/sda1: block special

[rrc@pridd ~]$ file /etc/rc.d/rc3.d
/etc/rc.d/rc3.d: directory

[rrc@pridd ~]$ file /etc/rc3.d
/etc/rc3.d: symbolic link to `rc.d/rc3.d'

[rrc@pridd ~]$ file -L /etc/rc3.d
/etc/rc3.d: directory

[rrc@pridd ~]$ file ComandosDeLaTerminal/ScriptFile 
ComandosDeLaTerminal/ScriptFile: ASCII text, with CRLF, LF line terminators, with escape sequences, with overstriking

file screencastRAW20131207.webm 
screencastRAW20131207.webm: WebM

[rrc@pridd ~]$ file FacturaLibreCFDI_1.7.1.oxt
FacturaLibreCFDI_1.7.1.oxt: Zip archive data, at least v2.0 to extract

[rrc@pridd ~]$ su -c "file /boot/initrd-3.10.24-desktop-2.mga3.img"
Password: 
/boot/initrd-3.10.24-desktop-2.mga3.img: gzip compressed data, from Unix, last modified: Thu Dec 19 08:33:38 2013, max compression