Difference between using “chmod a+x” and “chmod 755”

chmod a+x modifies the argument’s mode while chmod 755 sets it. Try both variants on something that has full or no permissions and you will notice the difference.

Related Posts:

  1. Chmod 777 to a folder and all contents [duplicate]
  2. How do I grep recursively?
  3. How do I grep recursively?
  4. How do I grep recursively?
  5. How do I use grep to search the current directory for all files having the a string “hello” yet display only .h and .cc files?
  6. SSH using python script
  7. How can I exclude directories from grep -R?
  8. How can I exclude directories from grep -R?
  9. Argument list too long error for rm, cp, mv commands
  10. How to change permissions for a folder and its subfolders/files in one step
  11. How to cat <> a file containing code?
  12. Extract file basename without path and extension in bash
  13. Given two directory trees, how can I find out which files differ by content?
  14. How to change permissions for a folder and its subfolders/files in one step
  15. Diff command along with Grep gives “Binary file (standard input) matches”
  16. How to download a file from server using SSH?
  17. What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?
  18. What does `set -x` do?
  19. Command to change the default home directory of a user
  20. Using ls to list directories and their total sizes
  21. What does “&” at the end of a linux command mean?
  22. Can’t remove a directory in Unix
  23. Syntax error near unexpected token ‘then’
  24. C fopen vs open
  25. Restarting cron after changing crontab file?
  26. How do I write stderr to a file while using “tee” with a pipe?
  27. cd into directory without having permission
  28. Copying a large directory tree locally? cp or rsync?
  29. Can I nohup/screen an already-started process?
  30. Why is “chmod -R 777 /” destructive?
  31. Environment variables of a running process on Unix?
  32. In my /etc/hosts/ file on Linux/OSX, how do I do a wildcard subdomain?
  33. When does /tmp get cleared?
  34. SSL Certificate Location on UNIX/Linux
  35. Is it possible to detach a process from its terminal? (Or, “I should have used screen!”) [duplicate]
  36. What does ‘set -e’ do, and why might it be considered dangerous?
  37. Meaning of directories on Unix and Unix like systems
  38. How to remove empty/blank lines from a file in Unix (including spaces)?
  39. How to forcibly close a socket in TIME_WAIT?
  40. How can I rename a Unix user?
  41. How to get pid of just started process
  42. Can you have more than one ~/.ssh/config file?
  43. How to disable everything in crontab -l?
  44. How to sort ps output by process start time?
  45. Amazon Linux: apt-get: command not found
  46. How do I find all files containing specific text on Linux?
  47. Where can I find php.ini?
  48. gzip: stdin: not in gzip format tar: Child returned status 1 tar: Error is not recoverable: exiting now
  49. Linux: ‘Username’ is not in the sudoers file. This incident will be reported
  50. “E: Unable to locate package python-pip” on Ubuntu 18.04 [duplicate]
  51. How to exclude a directory in find . command
  52. QEMU: /bin/sh: can’t access tty; job control turned off
  53. Meaning of exit status 1 returned by linux command
  54. mysql_config not found when installing mysqldb python interface
  55. linux command to get size of files and directories present in a particular folder?
  56. ./configure : /bin/sh^M : bad interpreter
  57. Compile the Fortran program in Windows using gfortran
  58. How can I set the ‘backend’ in matplotlib in Python?
  59. Yum fails with – There are no enabled repos.
  60. Unable to establish SSL connection upon wget on Ubuntu 14.04 LTS
  61. configure: error: cannot run C compiled programs
  62. What does set -e mean in a bash script?
  63. “find: paths must precede expression:” How do I specify a recursive search that also finds files in the current directory?
  64. Difference between exec, execvp, execl, execv?
  65. What does ‘bash -c’ do?
  66. WordPress cloning issue
  67. Can scp copy directories recursively?
  68. What are the functional differences between .profile .bash_profile and .bashrc
  69. Why does my hostname appear with the address 127.0.1.1 rather than 127.0.0.1 in /etc/hosts?
  70. Linux command to inspect TXT records of a domain [closed]
  71. What does a + mean at the end of the permissions from ls -l?
  72. What version of RHEL am I using?
  73. How do you make it obvious you are on a production system?
  74. How can I verify if TLS 1.2 is supported on a remote web server from the RHEL/CentOS shell?
  75. Mount CIFS Host is down
  76. List of files installed from apt package
  77. How can I kill all stopped jobs?
  78. How to copy a large number of files quickly between two servers
  79. How to copy file preserving directory path in Linux?
  80. Postfix – how to retry delivery of mail in queue?
  81. Allow SFTP but disallow SSH?
  82. Is it possible to alias a hostname in Linux?
  83. How do I list loaded Linux module parameter values?
  84. Does getting disconnected from an SSH session kill your programs?
  85. Tips for Securing a LAMP Server
  86. What Linux distribution is the Amazon Linux AMI based on?
  87. What is this IP address: 169.254.169.254?
  88. How can I export the privileges from MySQL and then import to a new server?
  89. Is there a directory equivalent of /dev/null in Linux?
  90. Can I send some text to the STDIN of an active process running in a screen session?
  91. How can I get processor/RAM/disk specs from the Linux command Line? [duplicate]
  92. Should I install Linux applications in /var or /opt?
  93. Is there a way to see the execution tree of systemd?
  94. How to determine the hostname from an IP address in a Windows network?
  95. create home directories after create users
  96. How do I redirect subdomains to a different port on the same server?
  97. Running Cron every 2 hours [duplicate]
  98. How to check the physical status of an ethernet port in Linux?
  99. What does “debconf: delaying package configuration, since apt-utils is not installed” mean?
  100. In Linux, what is the difference between “buffers” and “cache” reported by the free command?

Leave a Comment